New Frontiers in Theoretical Physics XXXVI Convegno Nazionale di Fisica Teorica
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Europe/Rome
Cortona (Arezzo)
Cortona (Arezzo)
Palazzone Scuola Normale Superiore
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08:40
Registration and Opening
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Morning Session
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1
Lepton Flavour Universality in B decaysB decays mediated by both charged currents and neutral currents have provided hints of violation of lepton flavour universality. I shortly review the present experimental results and the global fits when new physics is invoked. I illustrate a plausible SM extension providing an explanation of the anomalies in terms of new physics at or above the TeV scale and described by an effective field theory. Finally, I discuss the main constraints to this general framework: the impact of electroweak radiative corrections on a consistent interpretation of the data and the constraints coming from collider physics.Speaker: Ferruccio Feruglio (Padova University)
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Particle cosmology: from neutrinos to stringy inflationCosmological observations represent a powerful tool to constrain particle physics, often complementary to laboratory experiments. In my talk I will focus on two distinct examples of such an interplay between cosmology and particle physics, namely neutrino physics and inflation. After briefly reviewing the relevant cosmological datasets, in the first part of the talk I will show how observations of the cosmic microwave background (CMB) and of the distribution of large scale structures (LSS) in the Universe constrain the properties of the relic neutrinos, as well as of additional light relic particles in the Universe like sterile neutrinos, axions or majorons. In the second part of the talk, I will discuss how string-inspired model of inflation can explain the observed "low-ell anomaly" in the CMB power spectrum, i.e., the lack of large-scale correlations.Speaker: Massimiliano Lattanzi (Università di Ferrara)
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10:50
Coffee Break
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Parallel Sessions (Aula 2)
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Parallel Sessions (Sala Papacello)
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13:00
Lunch
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Afternoon Session
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11
Nambu-Goldstone Composite Higgs(es)I’ll review the implications of composite Higgs scenarios from a theoretical and phenomenological point of view. They represent a natural possibility for the Electroweak Symmetry Breaking induced by a strong dynamics giving rise to new composite particles. These are ideal targets for the LHC program because they can produce visible effects without conflict with direct bounds.Speaker: Stefania De Curtis (INFN Firenze)
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Entanglement and thermodynamics in non-equilibrium isolated quantum systemsEntanglement and entropy are key concepts standing at the foundations of quantum and statistical mechanics. In the last decade the study of the non-equilibrium dynamics of isolated quantum systems revealed that these two concepts are intricately intertwined. Although the unitary time evolution ensuing from a pure initial state maintains the system globally at zero entropy, at long time after the quench local properties are captured by an appropriate statistical ensemble with non zero thermodynamic entropy, which can be interpreted as the entanglement accumulated during the dynamics. Therefore, understanding the post-quench entanglement evolution unveils how thermodynamics emerges in isolated quantum systems.Speaker: Pasquale Calabrese (SISSA)
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16:10
Coffee Break
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Parallel Sessions (Aula 2)
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Parallel Sessions (Sala Papacello)
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08:40
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Morning Session
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Holographic correlators and the information paradoxSome signatures of information loss are imprinted in the correlators containing the heavy operators dual to the black hole microstates. By using the classical geometries dual to particular microstates, we will compute some of these correlators and show how information is preserved already in the large N limit.Speaker: Stefano Giusto (University of Padova)
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10:50
Coffee Break
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Parallel Sessions (Aula 2)
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Parallel Sessions (Sala Papacello)
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13:00
Lunch
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Afternoon Session
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31
Superstrings, lattice and AdS/CFTI will discuss perturbative and non-perturbative approaches to the quantization of the superstring sigma-models relevant in AdS/CFT, reporting in particular on the use of lattice field theory methods in this context.Speaker: Valentina Forini (City University London and Humboldt Univerisity Berlin)
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Earth’s climate as a complex systemPlanetary climates are complex systems composed of many interacting components. In the case of Earth, the atmosphere, oceans, cryosphere, geosphere and biosphere interact nonlinearly on a multitude of spatial and temporal scales, generating feedback mechanisms that lead both to climate variability on all time scales, as well as to long-term stability of the climate system that has allowed life persistence in the last 3.5 billion years. In this lecture, I shall review some of the basic feedback mechanisms that control Earth climate, addressing the role of the biosphere and the physical and chemical characteristics that make our planet habitable. The role of anthropic influence on climate, mainly through emission of greenhouse gases and land-use changes, if finally discussed, together with possible climate change mitigation options such as carbon capture and sequestration.Speaker: Antonello Provenzale (CNR Institute of Geosciences and Earth Resources)
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16:00
Coffe Break
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Parallel Sessions (Aula 2)
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Fakeons, Lee-Wick models and quantum gravitySpeaker: Damiano Anselmi (University of Pisa)
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Parallel Sessions (Sala Papacello)
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Special Session
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GenHET- The new EU Working Group on gender issues in Theoretical PhysicsThe new permanent EU Working Group on the gender issue in Theoretical Physics will be presented, with primary focus on its origin, motivations, its composition, aims, present and future activities. The talk will be followed by an open discussion to which everybody will be invited to participate.Speaker: Silvia Penati (University of Milano-Bicocca)
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18:30
Aperitivo Wine and Cheese
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Morning Session
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10:50
Coffee Break
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Parallel Sessions (Aula 2)
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Black hole microstates in string theorySpeaker: Stefano Massai (University of Chicago)
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Parallel Sessions (Sala Papacello)
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13:00
Lunch
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Afternoon Session
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Neutrino Masses and Mixings: Status and ChallengesThe status of neutrino masses and mixings within the standard three-neutrino framework is presented. The combination of current data coming from oscillation experiments provides interesting constraints on the known mass-mixing parameters, as well as intriguing hints on the unknown ones. Concerning the latter, particularly interesting indications are emerging in favor of nearly maximal leptonic CP violation and of normal (i.e., quark-like) mass spectrum ordering, while the octant of the largest mixing angle remains undetermined. The combination of oscillation and non-oscillation data (coming from neutrinoless double beta decay searches and from cosmological surveys) is shown to set bounds to the absolute neutrino mass scale in the sub-eV range. We also discuss some of the challenges posed by the completion of the standard three-neutrino framework and by the search for new physics beyond it.Speaker: Eligio Lisi (INFN, Bari)
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Amplitudes (in the Standard Model and beyond)In the last few years, a lot of progress has been made in understanding the analytic and algebraic structure of multi-loop scattering amplitudes. I shall review some of that progress for amplitudes at weak coupling.Speaker: Vittorio Del Duca (ETH Zurich and INFN LNF)
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16:10
Coffee Break
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Parallel Sessions (Aula 2)
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Parallel Sessions (Sala Papacello)
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Morning Session
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Gravitational Waves; where we are where we goThe observations of gravitational waves from the merger of binary black holes and from a binary neutron star coalescence followed by a set of astronomical measurements is the first striking example of investigating the universe by multi-messenger astronomy. In this talk we review these results and then we will focus on the middle and long term evolution of the gravitational wave detectors with emphasis to their perspectives for the advancement on physics and astronomy.Speaker: Fulvio Ricci (University of Rome Sapienza & INFN Sezione di Roma)
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10:50
Coffee Break
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