• Large neutrino mass in cosmology and keV sterile neutrino dark matter from a dark sector

    IFT Seminar Room/Red Room Instituto de Física Teórica (IFT) -C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Spain
    Scientific activities

    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 […]

  • Holo Club: Explicit Connections Between Krylov and Nielsen Complexity

    Gray Room 3 Instituto de Física Teórica (IFT) -C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Spain
    Journal clubs

    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 […]

  • Cosmology Journal Club

    Discussion room 5th floor C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Madrid, Spain
    Journal clubs

    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.

  • Machine Learning and AI Journal Club

    Gray Room 1 Instituto de Física Teórica, C/ Nicolás Cabrera 13-15, Cantoblanco, Madrid, Madrid, Spain
    Journal clubs

    Venue&Time: Grey Room 1

  • SPS Journal Club: ‘Probing the Rigidity of String Theory’

    IFT Seminar Room/Red Room Instituto de Física Teórica (IFT) -C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Spain
    Journal clubs

    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 […]

  • DIFT Colloquium: ‘Gamma Ray Bursts, Cosmic Rays and the Sociology of Science’

    AULA POLIVALENTE UAM Plaza Mayor Campus de Cantoblanco UAM. C. Einstein, 7, Fuencarral-El Pardo, 28049 Madrid, Madrid, Madrid, Spain
    Scientific activities

    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 […]

  • Old Journal Club: ‘Renormalization and Effective Lagrangians’

    Blue Room Instituto de Física Teórica (IFT) - C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Spain
    Journal clubs

    Pau Garcia Romeu (IFT) will present Renormalization and Effective Lagrangians by Joseph Polchinski. Venue&Time: Blue Room / 17:00 Abstract: There is a strong intuitive understanding of renormalization, due to Wilson, in terms of the scaling of effective lagrangians. We show that this can be made the basis for a proof of perturbative renormalization. We first […]

  • Cosmology Journal Club

    Discussion room 5th floor C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Madrid, Spain
    Journal clubs

    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.

  • Pheno Journal Club: Coherently enhanced decoherence and cloud substructure of atom interferometers

    Gray Room 3 Instituto de Física Teórica (IFT) -C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, Spain
    Journal clubs

    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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