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METHOD:PUBLISH
X-ORIGINAL-URL:https://www.ift.uam-csic.es
X-WR-CALDESC:Events for Instituto de Física Teórica
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X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Europe/Madrid
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20250330T010000
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TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20251026T010000
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TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20260329T010000
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TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20261025T010000
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TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20270328T010000
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BEGIN:STANDARD
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TZOFFSETTO:+0100
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END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260305T120000
DTEND;TZID=Europe/Madrid:20260305T130000
DTSTAMP:20260722T072724
CREATED:20260302T092655Z
LAST-MODIFIED:20260309T070430Z
UID:24544-1772712000-1772715600@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Tuesday at 15:00 in Grey Room 2.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-9/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260305T113000
DTEND;TZID=Europe/Madrid:20260305T170000
DTSTAMP:20260722T072724
CREATED:20260302T091600Z
LAST-MODIFIED:20260302T091653Z
UID:24538-1772710200-1772730000@www.ift.uam-csic.es
SUMMARY:Shannon's Corner Journal Club
DESCRIPTION:Venue & Time: Gray Room 3 / 11:30 \nSpeaker: Franco Salinas Pytel (UCM) \nAbstract: “The debates between Einstein and Bohr on the foundations of quantum\nmechanics culminated in one of the most iconic statements in the\nhistory of physics: “God does not play dice.” \nIn their seminal 1935 paper\, Albert Einstein\, Boris Podolsky\, and\nNathan Rosen argued that if locality is to be maintained\, then quantum\nmechanics must be incomplete. \nIn this talk\, I will present a concise overview of the original EPR\nargument\, Bell’s theorem and its experimental confirmation. I will\nthen explore quantum non-locality through the framework of XOR games\,\nhighlighting their connections to foundational questions in\nmathematics.”
URL:https://www.ift.uam-csic.es/event/shannons-corner-journal-club/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260303T113000
DTEND;TZID=Europe/Madrid:20260303T130000
DTSTAMP:20260722T072724
CREATED:20260220T135421Z
LAST-MODIFIED:20260224T152926Z
UID:24430-1772537400-1772542800@www.ift.uam-csic.es
SUMMARY:Holo Club: 'Brick wall Normal Modes and Emerging Thermality'
DESCRIPTION:Speaker: Suman Das (IFT) \nTitle: ‘Brick wall Normal Modes and Emerging Thermality’ \nVenue & Time: Gray Room 1 / 11:00 \nAbstract: \narXiv:2401.01417 \nThe ’t Hooft brick wall model provides one of the earliest microscopic derivations of the black-hole area law within the probe approximation of quantum field theory in curved spacetime. In this talk\, I will revisit the original construction and present a modern perspective based on the spectral properties of the probe fields. After briefly reviewing how the area-proportional entropy arises in ’t Hooft’s setup\, I will show that its origin can be understood in terms of the structure of the normal-mode spectrum. In particular\, a quasi-degenerate growth of states along a specific quantum-number direction leads directly to the area scaling of the entropy.This viewpoint not only clarifies the mechanism behind the entropy but also reveals a number of non-trivial features of the spectrum\, including signatures commonly associated with quantum chaos. I will discuss these features. Finally\, I will show that\, when the brick wall is placed parametrically close to the horizon\, the two-point function of the probe field becomes indistinguishable from a thermal correlator\, providing a precise sense in which thermality emerges in this framework.
URL:https://www.ift.uam-csic.es/event/holo-club-brick-wall-normal-modes-and-emerging-thermality/
LOCATION:Gray Room 1\, Instituto de Física Teórica\, C/ Nicolás Cabrera 13-15\, Cantoblanco\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260303T100000
DTEND;TZID=Europe/Madrid:20260303T110000
DTSTAMP:20260722T072724
CREATED:20260302T092721Z
LAST-MODIFIED:20260302T163549Z
UID:24543-1772532000-1772535600@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-16/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260226T170000
DTEND;TZID=Europe/Madrid:20260226T180000
DTSTAMP:20260722T072724
CREATED:20260220T155551Z
LAST-MODIFIED:20260220T155551Z
UID:24442-1772125200-1772128800@www.ift.uam-csic.es
SUMMARY:Old Journal Club: 'Generalized Global Symmetries'
DESCRIPTION:Miquel Aparici Domingo (IFT) will present Generalized Global Symmetries by Davide Gaiotto\, Anton Kapustin\, Nathan Seiberg\, Brian Willett\,  JHEP 02 (2015) 172\n\nAbstract:\nA q-form global symmetry is a global symmetry for which the charged operators are of space-time dimension q\, e.g. Wilson lines\, surface defects\, etc.\, and the charged excitations have q spatial dimensions\, e.g. strings\, membranes\, etc. Many of the properties of ordinary global symmetries (q = 0) apply here. They lead to Ward identities and hence to selection rules on amplitudes. Such global symmetries can be coupled to classical background fields and they can be gauged by summing over these classical fields. These generalized global symmetries can be spontaneously broken (either completely or to a sub-group). They can also have ’t Hooft anomalies\, which prevent us from gauging them\, but lead to ’t Hooft anomaly matching conditions. Such anomalies can also lead to anomaly inflow on various defects and exotic Symmetry Protected Topological phases. Our analysis of these symmetries gives a new unified perspective of many known phenomena and uncovers new results.
URL:https://www.ift.uam-csic.es/event/old-journal-club-generalized-global-symmetries/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260226T120000
DTEND;TZID=Europe/Madrid:20260226T130000
DTSTAMP:20260722T072724
CREATED:20260220T141822Z
LAST-MODIFIED:20260220T141822Z
UID:24440-1772107200-1772110800@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Thursday at 12:00 in Grey Room 3.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-8/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260226T120000
DTEND;TZID=Europe/Madrid:20260226T130000
DTSTAMP:20260722T072724
CREATED:20260220T135105Z
LAST-MODIFIED:20260220T135105Z
UID:24428-1772107200-1772110800@www.ift.uam-csic.es
SUMMARY:SPS Journal Club: 'Anomaly-induced vanishing of brane partition functions'
DESCRIPTION:Strings\, Pheno and the Swampland Journal Club (SPS) \nSpeaker: Michelangelo Tartaglia (IFT) \nTitle: ‘Anomaly-induced vanishing of brane partition functions’ \nAbstract: In the presence of ‘t Hooft anomalies\, backgrounds for the symmetries of a quantum field theory can lead to non-conservation of Noether currents\, or more generally\, to the presence of charged insertions in the path integral. When there is a net background charge\, the partition function evaluated on closed manifolds will vanish. For anomalous symmetries\, this statement can also be understood as the anomaly theory giving rise to a non-trivial anomalous phase for the partition function even for “rigid” transformations which leave all background fields unchanged. We use the generalisation of this second viewpoint to the setting of anomalous higher-form symmetries in order to show vanishing of the partition function for a number of examples\, both with and without a Lagrangian description. In particular\, we show how to derive from these considerations the analogue of the Freed-Witten anomaly cancellation condition for the M5-brane\, and also that for the D3-brane in S-fold backgrounds.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-anomaly-induced-vanishing-of-brane-partition-functions/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260225T113000
DTEND;TZID=Europe/Madrid:20260225T123000
DTSTAMP:20260722T072724
CREATED:20260220T140817Z
LAST-MODIFIED:20260220T140817Z
UID:24436-1772019000-1772022600@www.ift.uam-csic.es
SUMMARY:Quantum Information Journal Club: 'Generalizing the framework of translationally invariant MPS'
DESCRIPTION:Speaker: Marta Florido Llinás (MPQ) \nTitle: ‘Generalizing the framework of translationally invariant MPS’ \nAbstract: In this talk I will present our recent work on developing a canonical form for uniform matrix product states (MPS) with a boundary matrix (https://www.arxiv.org/abs/2512.11968). Starting from the standard canonical description of uniform MPS with periodic boundary conditions\, I will explain how to derive a generalized canonical form for MPS with boundaries\, by extending the structural analysis of matrix sets to incorporate off-diagonal blocks\, and by introducing some notions inspired by formal language theory.
URL:https://www.ift.uam-csic.es/event/quantum-information-journal-club-generalizing-the-framework-of-translationally-invariant-mps/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260224T140000
DTEND;TZID=Europe/Madrid:20260224T150000
DTSTAMP:20260722T072724
CREATED:20260220T141705Z
LAST-MODIFIED:20260220T141705Z
UID:24438-1771941600-1771945200@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them. \n 
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-15/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260219T120000
DTEND;TZID=Europe/Madrid:20260219T130000
DTSTAMP:20260722T072724
CREATED:20260216T083827Z
LAST-MODIFIED:20260216T083827Z
UID:24400-1771502400-1771506000@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Thursday at 12:00 in Grey Room 3.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-7/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260218T113000
DTEND;TZID=Europe/Madrid:20260218T123000
DTSTAMP:20260722T072724
CREATED:20260216T083243Z
LAST-MODIFIED:20260216T085842Z
UID:24395-1771414200-1771417800@www.ift.uam-csic.es
SUMMARY:Quantum Information Journal Club: 'Quantum Algorithms Based on Cooling'
DESCRIPTION:Date: Wednesday\, February 18 \nAula Gris 2 / 11:30 \nSpeaker: Daniel Molpeceres (TU Munich) \nTítulo: Quantum Algorithms Based on Cooling \nAbstract: The purpose of this work is to study different methods for nature-inspired algorithmic cooling of physical systems\, which rely on energy transfer between the system and a cool bath. These algorithms are suitable for preparation of QMB ground states\, and are therefore an alternative to other well-known procedures such as variational or adiabatic algorithm\, which have their own limitations. The aim of the paper is to develop this theory\, and try to find in what regimes it works best\, such that it can be used as an alternative or in collaboration with the previous methods. We will focus on a free-fermion model with hoppings in a 1D lattice and a certain distribution of auxiliary systems per site\, try to find regimes in which the system reaches the ground state\, and then extrapolate what we learn from this model into a more general noisy setting. The main questions to address are how the performance changes with the noise that may appear in an experimental setting\, as well as a comparison with other methods such as adiabatic algorithm or QAOA.
URL:https://www.ift.uam-csic.es/event/quantum-information-journal-club-quantum-algorithms-based-on-cooling/
LOCATION:Grey Room 2\, Instituto de Física Teórica\, Madrid\, Madrid\, 28037\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260217T140000
DTEND;TZID=Europe/Madrid:20260217T150000
DTSTAMP:20260722T072724
CREATED:20260216T083930Z
LAST-MODIFIED:20260216T083930Z
UID:24402-1771336800-1771340400@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-14/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260217T113000
DTEND;TZID=Europe/Madrid:20260217T130000
DTSTAMP:20260722T072724
CREATED:20260209T081242Z
LAST-MODIFIED:20260209T081341Z
UID:24366-1771327800-1771333200@www.ift.uam-csic.es
SUMMARY:Holo-Club: 'Toward Krylov-based holography in double-scaled SYK'
DESCRIPTION:Speaker: Yichao Fu (GIST)\n\nTitle: Toward Krylov-based holography in double-scaled SYK\n\nVenue & Time: Gray Room 3 / 11:30\n\nAbstract:\n\nBuilding on the duality between Krylov complexity and geodesic length in Jackiw-Teitelboim and sine-dilaton gravity\, we develop a precise holographic dictionary for quantities in the Krylov subspace of the double-scaled Sachdev-Ye-Kitaev model (DSSYK). First\, we demonstrate that the growth rate of Krylov state complexity corresponds to the wormhole velocity\, and show that its expectation value in coherent states serves as a boundary diagnostic of firewall-like structures via bulk reconstruction. We also delineate an alternative bulk description in terms of the proper momentum of an infalling particle at early times\, establishing a threefold duality between the Krylov complexity growth rate\, wormhole velocity\, and proper momentum\, with clear regimes of validity. Beyond the first moments\, we argue that higher-order Krylov complexities capture connected bulk contributions encoded by replica wormholes\, while the logarithmic variant probes the replica saddle structure. Finally\, within a third-quantized setting incorporating baby universes\, we show that the Krylov entropy equals the von Neumann entropy of the parent-geometry density matrix obtained after tracing out baby universes\, thereby quantifying information flow into the baby universe sector. Together\, these results elevate Krylov-space observables to sharp probes of bulk dynamics and topology in ensemble-averaged 2D gravity.
URL:https://www.ift.uam-csic.es/event/holo-club-toward-krylov-based-holography-in-double-scaled-syk/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260212T170000
DTEND;TZID=Europe/Madrid:20260212T180000
DTSTAMP:20260722T072724
CREATED:20260209T072454Z
LAST-MODIFIED:20260209T073132Z
UID:24353-1770915600-1770919200@www.ift.uam-csic.es
SUMMARY:Old Journal Club: 'Supersymmetry and morse theory'
DESCRIPTION:Chuying Wang (IFT) will present ‘Supersymmetry and morse theory’ by Edward Witten J. DIFFERENTIAL GEOMETRY 17 (1982) 661-692 \nVenue & Time: Blue Room / 17:00 \nAbstract:  \n  It is shown that the Morse inequalities can be obtained by consideration of a certain supersymmetric quantum mechanics Hamiltonian. Some of the implications of modern ideas in mathematics for supersymmetric theories are discussed.  \nMore info: https://projecteuclid.org/journals/journal-of-differential-geometry/volume-17/issue-4/Supersymmetry-and-Morse-theory/10.4310/jdg/1214437492.pdf
URL:https://www.ift.uam-csic.es/event/old-journal-club-supersymmetry-and-morse-theory/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260212T120000
DTEND;TZID=Europe/Madrid:20260212T130000
DTSTAMP:20260722T072724
CREATED:20260209T073012Z
LAST-MODIFIED:20260209T073012Z
UID:24361-1770897600-1770901200@www.ift.uam-csic.es
SUMMARY:SPS Journal Club: 'Hilltop quintessence\, the LARGE Volume Scenario and varying-tension cosmic strings'
DESCRIPTION:Léo Veissière (IFT) will present:\n\n‘Hilltop quintessence\, the LARGE Volume Scenario and varying-tension cosmic strings’\n\nVenue & Time: Red Room / 12:00\n\nRecent observational data suggests that the dark energy equation of state parameter wDE is evolving with time\, in apparent tension with the ΛCDM standard model of cosmology. Here we review these observational results\, with particular emphasis on the evidence for phantom-like behaviour\, for which wDE < −1. In an attempt to reproduce the data\, we study a quintessence model of a single scalar field rolling down a hilltop potential\, both from a UV-agnostic perspective and from a string theory point-of-view. For the latter we focus on a scalar potential derived from type IIB supergravity in the context of the LARGE Volume Scenario (LVS)\, and investigate the cosmological dynamics of the scalar near its maximum. Finally\, we discuss whether an effective phantom behaviour can be reproduced by considering the interaction between the scalar field and cosmic strings with a time-dependent tension\, while keeping the LVS scalar potential unchanged.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-hilltop-quintessence-the-large-volume-scenario-and-varying-tension-cosmic-strings/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260212T120000
DTEND;TZID=Europe/Madrid:20260212T130000
DTSTAMP:20260722T072724
CREATED:20260209T072820Z
LAST-MODIFIED:20260209T073110Z
UID:24358-1770897600-1770901200@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club: 'The Cosmic Neutrino Background is within Reach of Future Neutrino Telescopes'
DESCRIPTION:Yuber Perez-Gonzalez (IFT) will present:\n\n‘The Cosmic Neutrino Background is within Reach of Future Neutrino Telescopes’\n\nVenue & Time: Gray Room 3 / 12:00\n\nAbstract: The cosmic neutrino background (CνB) can be boosted to high energies due to scatterings with energetic cosmic rays (CRs) across cosmological scales. Previous calculations focused on neutral current incoherent and coherent elastic scatterings of cosmic-ray protons off relic neutrinos. However\, charged current interactions and deep inelastic scatterings are also expected to occur\, which enhances the boosted relic neutrino fluxes on Earth. Here\, we compute the \textit{total} diffuse boosted cosmic neutrinobackground (DBCνB) arising from CRs at all redshifts in the Universe\, accounting for neutral current and charged current elastic and deep inelastic scatterings. We find that IceCube already places an upper limit on the cosmic neutrino background overdensity in cosmological scales of ~O(100−1000) at Eν=10^10 GeV\, for a lightest neutrino mass of mν≳0.1 eV. We further show that IceCube-Gen2 could test O(1−10) CνB overdensities\, and the combination of 10 future neutrino telescopes with similar sensitivity would allow us to test the ΛCDM expected CνB density for a lightest neutrino mass compatible with the KATRIN bound.\n\nBased on 2601.09790.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-the-cosmic-neutrino-background-is-within-reach-of-future-neutrino-telescopes/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260210T140000
DTEND;TZID=Europe/Madrid:20260210T150000
DTSTAMP:20260722T072724
CREATED:20260209T072642Z
LAST-MODIFIED:20260209T072653Z
UID:24356-1770732000-1770735600@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them. \n 
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-13/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260210T113000
DTEND;TZID=Europe/Madrid:20260210T130000
DTSTAMP:20260722T072724
CREATED:20260123T115715Z
LAST-MODIFIED:20260123T115715Z
UID:24284-1770723000-1770728400@www.ift.uam-csic.es
SUMMARY:Holo Club: 'Holographic fluids with higher-form symmetries'
DESCRIPTION:Title: Holographic fluids with higher-form symmetries\n\nSpeaker: André Oliveira (Heriot-Watt University)\n\nVenue & Time: Grey Room 3 / 11:30\n\nAbstract: Higher-form symmetries are ubiquitous in physics. In this talk\, I focus on the case where they are continuous and encode the conservation of extended objects. Applications include elasticity\, superfluidity and phases of electromagnetism. Using holography\, we explore effective descriptions of systems with the simplest case of a single higher-form symmetry. For energies well below temperature\, these descriptions admit a (potentially extended) hydrodynamic regime. We verify this explicitly by studying AlAdS black branes charged under higher-form potentials. In particular\, we compute quasinormal modes\, starting with the low-density limit. Then\, we focus on the bulk dual of a viscoelastic system and analyse instabilities for different equilibrium states corresponding to isotropic crystalline phases.
URL:https://www.ift.uam-csic.es/event/holo-club-holographic-fluids-with-higher-form-symmetries/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260205T170000
DTEND;TZID=Europe/Madrid:20260205T180000
DTSTAMP:20260722T072724
CREATED:20260202T155203Z
LAST-MODIFIED:20260202T155423Z
UID:24334-1770310800-1770314400@www.ift.uam-csic.es
SUMMARY:Old Journal Club: 'Threshold production of heavy top quarks: QCD and the Higgs boson'
DESCRIPTION:Sergio Rodríguez (IFT) will present “Threshold production of heavy top quarks: QCD and the Higgs boson” by Matthew J. Strassler and Michael E. Peskin. \nAbstract:  \nWe calculate the threshold cross section for 𝑒+𝑒−→tt¯ to leading-logarithmic order in QCD\, using a nonrelativistic approximation suggested by Fadin and Khoze. We study the mass range 100≤𝑚𝑡≤250 GeV\, and show that the cross section is an excellent measure of α𝑠 for the lower portion of the mass range\, while for a heavier top quark it is sensitive to the mass and couplings of the Higgs boson. We argue that a precise determination of 𝑚𝑡 and a measurement of Γ𝑡 are possible. We also show that nonperturbative effects are small\, confirming that the tt¯ threshold is a detailed perturbative test of the standard model. \nMore info: https://journals.aps.org/prd/pdf/10.1103/PhysRevD.43.1500
URL:https://www.ift.uam-csic.es/event/old-journal-club-threshold-production-of-heavy-top-quarks-qcd-and-the-higgs-boson/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260205T121500
DTEND;TZID=Europe/Madrid:20260205T131500
DTSTAMP:20260722T072724
CREATED:20260202T073428Z
LAST-MODIFIED:20260202T073428Z
UID:24329-1770293700-1770297300@www.ift.uam-csic.es
SUMMARY:Strings\, Pheno and the Swampland (SPS) Journal Club
DESCRIPTION:Every Thursday at 12:00 in the Red Room.
URL:https://www.ift.uam-csic.es/event/strings-pheno-and-the-swampland-sps-journal-club/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260205T120000
DTEND;TZID=Europe/Madrid:20260205T130000
DTSTAMP:20260722T072724
CREATED:20260202T072706Z
LAST-MODIFIED:20260202T072706Z
UID:24327-1770292800-1770296400@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Thursday at 12:00 in Grey Room 3.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-6/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260204T113000
DTEND;TZID=Europe/Madrid:20260204T123000
DTSTAMP:20260722T072724
CREATED:20260202T071236Z
LAST-MODIFIED:20260202T071236Z
UID:24321-1770204600-1770208200@www.ift.uam-csic.es
SUMMARY:Quantum Information Journal Club: Continuous and field tensor network states
DESCRIPTION:Speaker: Albert Gasull\, Leiden University\n\nVenue & Time: Grey Room 3 / 11:30\n\nTitle: ‘Continuous and field tensor network states’\nAbstract: Tensor network methods have provided us with a powerful set of tools with which to study strongly interacting many-body systems on the lattice. Understanding the limitations of this ansatz is paramount for the success of both numerical algorithms and exact analytical representations of the many-body wavefunction. In recent years\, several generalizations making use of different notions of the continuum have appeared in the literature to tackle such different limitations. Firstly\, continuous tensor network states (cTNS) is an ansatz that allows us to work directly in the continuum to answer questions related to quantum field theories\, removing the need for sending the lattice spacing to zero in standard tensor network approaches. Secondly\, field tensor network states (fTNS) aim to provide an exact tensor network approach to the analytical description of chiral gapped topological states in two spatial dimensions\, such as the Laughlin wavefunction. While these states had been previously considered to be out of reach for the most prominent two dimensional tensor network\, projected entangled pair states\, by upgrading the virtual space of the network to an infinite dimensional one\, we circumvent the previous no-go theorems to provide the first exact representations. In this talk\, I will present an overview of both cTNS and fTNS. I will present the main ideas behind both generalizations and relation to quantum field theories. I will also showcase some of the applications that we are currently working on\, as well as some of the problems that one encounters along the way. This talk is based on both published and ongoing work with Arkadiusz Bochniak\, Germán Sierra and Ignacio Cirac.
URL:https://www.ift.uam-csic.es/event/quantum-information-journal-club-continuous-and-field-tensor-network-states/
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260203T140000
DTEND;TZID=Europe/Madrid:20260203T150000
DTSTAMP:20260722T072724
CREATED:20260202T072324Z
LAST-MODIFIED:20260202T072324Z
UID:24324-1770127200-1770130800@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-12/
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260129T170000
DTEND;TZID=Europe/Madrid:20260129T180000
DTSTAMP:20260722T072724
CREATED:20260123T120447Z
LAST-MODIFIED:20260123T120531Z
UID:24288-1769706000-1769709600@www.ift.uam-csic.es
SUMMARY:Old Journal Club: 'Topological Quantization and Cohomology'
DESCRIPTION:Gonzalo F. Casas (IFT) will present ‘Topological Quantization and Cohomology‘ by Orlando Álvarez  Commun.Math.Phys. 100 (1985) 279 \nAbstract:  \nThe relationships between topological charge quantization\,Lagrangians and various cohomology theories are studied. A very general criterion for charge quantization is developed andapplied to various physical models. The relationship betweencohomology and homotopy is discussed. \nMore info: https://inspirehep.net/literature/206164
URL:https://www.ift.uam-csic.es/event/old-journal-club-topological-quantization-and-cohomology/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
ATTACH;FMTTYPE=image/png:https://www.ift.uam-csic.es/wp-content/uploads/2026/01/OJC_GON.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260129T120000
DTEND;TZID=Europe/Madrid:20260129T130000
DTSTAMP:20260722T072724
CREATED:20260123T120019Z
LAST-MODIFIED:20260123T120019Z
UID:24286-1769688000-1769691600@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club: 'GeV-scale QCD Axion'
DESCRIPTION:Title: ‘GeV-scale QCD Axion’\n\nSpeaker: Thomas Steingasser (IFT)\n\nVenue & Time: 12:00 / Gray Room 3\n\nAbstract: In order to solve the strong CP problem\, we study the possibility that the Peccei–Quinn symmetry is broken below the QCD scale. We find that a QCD axion can be above GeV\, and may be among the observed η resonances. It is immune to quantum gravity corrections. The only fermion that has a U (1) Peccei–Quinn charge is the right-handed up quark. Flavor-changing neutral currents are surprisingly small\, except for a possible but not necessary contribution to D0–D0 mixing. All accelerator and astrophysical limits can be evaded. The most significant constraint is the mass splitting between π± and π0. In a UV completed model\, LHC can look for a dijet resonance in u ̄u\,u  ̄d\, d ̄u channels.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-gev-scale-qcd-axion/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260129T120000
DTEND;TZID=Europe/Madrid:20260129T130000
DTSTAMP:20260722T072724
CREATED:20260122T130534Z
LAST-MODIFIED:20260122T130751Z
UID:24262-1769688000-1769691600@www.ift.uam-csic.es
SUMMARY:SPS Journal Club: 'Mapping moduli across heterotic conifolds'
DESCRIPTION:Strings\, Pheno and the Swampland Journal Club\n\n\nTitle: ‘Mapping moduli across heterotic conifolds’\n\n\nSpeaker: Christian Aoufia (IFT)\n\n\nVenue & Time: Red Room / 12:00\n\n\nAbstract: In this work\, we provide evidence for a duality between 4-dimensional Calabi-Yau compactifications of the heterotic string\, in which the base manifolds are linked by a conifold transition. In recent work\, a geometric proposal was put forward for how 5-branes and gauge bundles are carried across such transitions. It was observed that compactifications connected in this way lead to 4-dimensional effective theories with the same massless spectrum. Here we provide much stronger evidence that these heterotic conifold transitions do indeed lead to dual theories. We construct a duality map between the field spaces of the two compactifications and use it to demonstrate the agreement of large numbers of holomorphic functions appearing in the definition of the effective theories. In an example\, we show that 147\,440 independent superpotential Yukawa couplings agree across the duality as holomorphic functions of the moduli. In certain special cases\, the putative duality studied here reduces to the target space duality of (0\,2) gauged linear sigma models.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-mapping-moduli-across-heterotic-conifolds/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260129T110000
DTEND;TZID=Europe/Madrid:20260129T130000
DTSTAMP:20260722T072724
CREATED:20260126T091747Z
LAST-MODIFIED:20260126T091759Z
UID:24298-1769684400-1769691600@www.ift.uam-csic.es
SUMMARY:ML-AI-HPC Jounal Club: 'Probabilistic modeling and Bayesian inference for collider data'
DESCRIPTION:Title: ‘Probabilistic modeling and Bayesian inference for collider data’ \nSpeaker: Santiago Tanco (IFLP-CONICET/UNLP) \nVenue&Time: Gray Room 1 / 11:00 \n 
URL:https://www.ift.uam-csic.es/event/ml-ai-hpc-jounal-club-probabilistic-modeling-and-bayesian-inference-for-collider-data/
LOCATION:Gray Room 1\, Instituto de Física Teórica\, C/ Nicolás Cabrera 13-15\, Cantoblanco\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260127T140000
DTEND;TZID=Europe/Madrid:20260127T150000
DTSTAMP:20260722T072724
CREATED:20260123T133337Z
LAST-MODIFIED:20260123T133427Z
UID:24294-1769522400-1769526000@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-11/
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260122T170000
DTEND;TZID=Europe/Madrid:20260122T180000
DTSTAMP:20260722T072724
CREATED:20260116T123614Z
LAST-MODIFIED:20260116T123646Z
UID:24199-1769101200-1769104800@www.ift.uam-csic.es
SUMMARY:Old Journal Club: 'Particle Spectrum in Quantum Field Theory'
DESCRIPTION:Alejandro Puga (IFT) will present “Particle Spectrum in Quantum Field Theory”  de Alexander M. Polyakov (JETP Lett. 20 (1974) 194-195)\n\nAbstract: We investigate the nonperturbative structure of quantum field theories and its consequences for the physical spectrum of excitations. Emphasis is placed on the role of instantons—topologically nontrivial field configurations—which contribute essentially to tunneling processes and mass generation beyond perturbation theory. The analysis demonstrates how instanton effects modify correlation functions and lead to qualitatively new features in the particle spectrum\, highlighting the deep connection between topology\, symmetry\, and dynamics in quantum field theory.\n\nVenue & Time: Blue Room / 17:00
URL:https://www.ift.uam-csic.es/event/old-journal-club-particle-spectrum-in-quantum-field-theory/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260122T120000
DTEND;TZID=Europe/Madrid:20260122T130000
DTSTAMP:20260722T072724
CREATED:20260116T123236Z
LAST-MODIFIED:20260116T123708Z
UID:24198-1769083200-1769086800@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Thursday at 12:00 in Grey Room 3.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-5/
CATEGORIES:Journal clubs
END:VEVENT
END:VCALENDAR