The September 29-October 2 2025 four-day workshop in Madrid of the LHC Physics Centre at CERN (LPCC) Forward Physics Working Group provides a forum at CERN for experimental collaborations and theorists to meet and exchange latest results across all topics of forward physics at the LHC. The workshop will take place at the Institute of Theoretical Physics […]
35 eventos encontrados.
Eventos científicos
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Speaker: Andreas Kronfeld (Fermilab) Venue&Time: Red Room / 3:00 PM Abstract: This seminar consists of two parts. First, it is discussed how various approaches to the hadronic vacuum polarization (HVP) for the anomalous magnetic moment of the muon, g-2, are connected. Second, results for the HVP from lattice QCD are presented, focusing on the work […]
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Speaker: Roberto Vega-Morales from Granada U. Venue&Time: Red Room / 3:00 PM Abstract: TBA |
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Speaker: Muthusamy Rajaguru (IFT Madrid) Venue&Time: Red Room / 12:00 PM Abstract: In this talk, I will give an overview of recent progress that has been made in constructing non-geometric flux vacua. In particular, I will focus on type IIB string compactifications where the internal geometry is described by the 2^6 and 1^9 Landau-Ginzburg (LG) models. These […]
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Speaker: Jesús Torrado from IEM-CSIC Venue&Time: Red Room / 3:00 PM Abstract: Inference for slow likelihoods can require weeks or months, if possible at all, with traditional Monte Carlo samplers. This would be the case, for example, when fitting expensive non-linear matter spectrum models, or when characterizing individual long-duration GW events. I will introduce a […] |
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Venue&Time: Blue Room / 10:20 – 17:30 More info: workshops.ift.uam-csic.es/CesarGathering/ César Gómez, whose profound contributions to gauge theory, string theory and quantum gravity were matched by his vision and generosity, passed away on 7 April 2025. After earning his PhD in Salamanca, he held positions at Harvard, the IAS and CERN before joining the CSIC […] |
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Every Tuesday at 2:00 PM in the discussion room on the 5th floor. Join the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them. |
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Speaker: Bernardo Fraiman (IFT) Venue&Time: Red Room / 12:00 Abstract: For non-compact, locally symmetric moduli spaces M, the set of geodesics and the geometry of the boundary can be completely characterised using group theory. Under the assumption that M is "compactifiable" and some mild conditions on the spectrum of states, we prove the SDC for […]
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Speaker: Thomas Schwetz from Karlsruhe Institute of Technology (KIT) Venue&Time: Red Room / 3:00 PM Abstract: Recent results from cosmology place sever upper bounds on the sum of neutrino masses, starting to be in conflict with lower bounds from neutrino oscillations. If this neutrino tension persists, it may indicate new physics in cosmology and/or neutrino […] |
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Speaker: Le-Chen Qu (IFT) Venue&Time: Grey Room 3 / 11:30 Abstract: We establish a precise correspondence between Krylov complexity and Nielsen complexity in quantum many-body systems. By identifying the Krylov basis with the generators of elementary gates in Nielsen's geometric framework, the Krylov complexity of precursor operators acquires a geometric interpretation as the length of […]
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Every Tuesday at 2:00 PM in the discussion room on the 5th floor. Join the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them. |
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Speaker: Georgina Staudt (Max Planck Institute Munich) Venue&Time: Red Room / 12:00 Abstract: We investigate the deformability of the Veneziano amplitude. If string theory is the unique theory of quantum gravity, the tree level amplitudes of weak coupling limits should be non-deformable. We make progress in this direction for tachyon-free superstring theories by deriving a […]
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Speaker: Álvaro de Rújula from IFT & CERN Venue & Time: Aula Polivalente UAM Abstract: Gamma-Ray Bursts (GRBs) and Cosmic Rays (CRs) are not difficult to comprehend. Quasars and micro-quasars are seen to emit highly relativistic “Cannonballs” (CBs), though the underlying mechanism remains unfathomable. The observation that core-collapse supernovae also emit CBs —plus some trivial […] |
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Speaker: Giovanni Villadoro from ICTP Venue & Time: Red Room / 15:00 Abstract: Localized charged fields are a general feature of many realistic string compactifications. I will review how in four dimensions they can lead to a multitude of perturbatively-exact global symmetries that, when spontaneously broken, generate a new axiverse compatible with post-inflationary evolutions. |
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Every Tuesday at 2:00 PM in the discussion room on the 5th floor. Join the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
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Speaker: Pablo Blanco Mas (IFT) Venue & Time: Grey Room 3 / 15:00 Abstract: We study how coherent scattering of a background gas off an atom (or other matter) interferometer can lead to enhanced signals from phase shifts and contrast loss. We focus on the inclusion of realistic features of atom interferometers such as finite temperature, […] |
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Speaker: Joaquin Masias (Munich, Max Planck Institute) Venue&Time: Red Room / 12:00 PM Abstract: TBA
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Speaker: Matthias Carosi from Munich, Tech. U. Venue & Time: Red Room / 15:00 Abstract: First-order phase transitions in the early universe are a unique probe of physics beyond the Standard Model, with potential implications for electroweak baryogenesis, the formation of primordial black holes, magnetogenesis and the production of dark matter. Upcoming gravitational wave detectors may […]
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Christian Aoufia (IFT) will present S. W. Hawking, Black holes and thermodynamics, Phys. Rev. D, vol. 13, no. 2, pp. 191–197, 1976. doi: 10.1103/PhysRevD.13.191 Venue & Time: Blue Room / 17:00 Abstract: The concept of entropy is examined with an eye toward gaining insight into the nature of black-hole thermodynamics. Definitions of entropy are given for […] |
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Speaker: Giovanni Villadoro from ICTP Venue&Time: Grey Room 1 / 11:00 Abstract: Recent years have seen an increased interest in the phenomenology of the QCD axion and axion dark matter. In this lecture, I will review astrophysical and experimental bounds on axions, as well as the basics of axion detection experiments. |
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Speaker: Guillem Martí-Davesa (INFN-Trieste) Venue&Time: Red Room / 15:00 Abstract: Supernovae have traditionally been invoked as the dominant cosmic ray factories within our Galaxy, capable of accelerating protons up to PeV energies. In this seminar we will discuss to what extent such a view holds today, and if alternative source populations could instead be relevant […] |
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Every Tuesday at 2:00 PM in the discussion room on the 5th floor. Join the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
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Speaker: Eduardo García-Valdecasas (SISSA, Trieste) Venue&Time: Red Room / 15:00 Abstract: Entanglement asymmetry is a relative entropy that faithfully measures the breaking of a symmetry in a subregion. We explore some applications in theories with spontaneously broken higher form symmetries. We will start with discrete abelian symmetries and then discuss continuous symmetries. We will be […] |
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Speaker: Aram Harrow (MIT) Venue&Time: Grey Room 3 / 11:30 Abstract: Given a vector v, what is the closest k-sparse vector? The answer to this question is usually that we should take the largest k entries of v. It turns out that we can do better with randomized approximations. When approximating pure bipartite entangled states […] |
2 eventos,
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Speaker: Matteo Lotito (IFT) Venue&Time: Red Room / 12:00 Abstract: I present a brief summary of the derivation of the Weak Gravity Conjecture within perturbative string theory, following , and highlight possible gaps that may hinder a fully consistent proof. I then analyze the existence and properties of the black hole solutions whose extremality bounds […]
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Pablo Blanco (IFT) will present Neutrino Masses and Mixings in Gauge Models with Spontaneous Parity Violation de Rabindra N. Mohapatra, Goran Senjanovic, Jul, 1980 Phys.Rev.D 23 (1981) 165. Abstract: Unified electroweak gauge theories based on the gauge group SU(2)L×SU(2)R×U(1)B−L, in which the breakdown of parity invariance is spontaneous, lead most naturally to a massive neutrino. […] |
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