SEMPARIS : Le serveur des séminaires parisiens

Le serveur de séminaires SEMPARIS accueille toutes les annonces de séminaires de la région parisienne, dans tous les domaines de la physique et des mathématiques. Il vous permet aussi de recevoir par courrier électronique la sélection de votre choix. Enfin, il permet l'archivage des présentations au format PDF ou Powerpoint. [ Plus d'informations ]

	Séminaires à venir à LPTHE
[ vue agenda ]

Jeudi 21 Novembre 2024, 10:00 à IHP, Grisvard (314) RENC-THEO (Rencontres Théoriciennes) hep-th

Victor Godet ( LPTHE ) Quantum cosmology as automorphic dynamics

Abstract: I will explain how some recent progress on the Wheeler-DeWitt equation makes possible the systematic development of quantum cosmology in the canonical formulation. The cosmological wavefunctions are automorphic forms, and the Wheeler-DeWitt equation reduces to a dynamical equation on moduli space, so that quantum cosmology is equivalent to "automorphic dynamics".

Jeudi 21 Novembre 2024, 11:45 à IHP, Grisvard (314) RENC-THEO (Rencontres Théoriciennes) hep-th

Ian Moult ( Yale ) Energy Correlators at the Collider Frontier

Abstract: Correlation functions of the average null energy (ANE) operator provide a direct link between quantum field theory and collider physics observables. We will discuss recent advances in our understanding of these correlation functions, and show that they can be directly measured in real collider data. We then discuss several applications of recent measurements, ranging from precision extractions of the strong coupling constant from the scaling properties of light-ray operators, to characterizing the quark gluon plasma with higher twist light-ray operators.

Mardi 26 Novembre 2024, 14:00 à LPENS, L378, 24 Rue Lhomond LPTENS-HE (Séminaire commun LPTENS-LPTHE) hep-th

Nika Sokolova ( King's College London ) Probing Excited Strings on AdS5 × S5 via Integrability and Conformal Bootstrap.

Abstract: We study the CFT data of planar 4D N=4 Super-Yang-Mills in the strong 't Hooft coupling limit, focusing on massive short strings in the flat-space limit of AdS5 ×S5. Specifically, we analyse the string states exchanged in the OPE of a four-point function dual to the AdS Virasoro-Shapiro amplitude. By organising this data into Regge trajectories, we predict the leading-order behaviour of four subleading trajectories using integrability, analyticity, and recent advances on the Virasoro-Shapiro amplitude. Notably, one trajectory and entire Kaluza-Klein towers decouple in the flat-space limit, hinting at an emergent selection rule for short-string scattering. Based on arXiv:2409.07529, arXiv:2310.06041, and arXiv:2306.12379.

Mardi 26 Novembre 2024, 14:00 à LPTHE, Library LPTHE-PPH (Particle Physics at LPTHE) hep-ph

Ben Allanach ( DAMTP Cambridge ) TBA

Abstract: TBA

Jeudi 28 Novembre 2024, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques) hep-th

David Hernandez ( IMJ-PRG ) Folded quantum integrable models, deformed W-algebras and representations of quantized Coulomb branches

Abstract: Deformed W-algebras are two parameter algebras associated to a simple Lie algebra g, obtained from fields commuting with screening operators. We discuss some remarkable specializations of deformed W-algebras. (1) Classical limit : We propose a novel quantum integrable model for every non- simply laced simple Lie algebra g (joint work with Frenkel and Reshetikhin). Its spectra correspond to solutions of the Bethe Ansatz equations obtained by folding the Bethe Ansatz equations associated to the simply-laced Lie algebra g′ (corresponding to g). Our construction is motivated by the analysis of the second classical limit of the deformed W-algebra of g. We conjecture, and verify in a number of cases, that the spaces of states of the folded integrable model can be identified with finite-dimensional representations of the Langlands dual (twisted) quantum affine algebra. (2) Mixed limit : we use this limit to state a general conjecture on the parametrization of simple modules of non simply-laced shifted quantum affine algebras (closely related to quantized Coulomb branches). We have several evidences, including a general result for simple finite-dimensional representations.

Vendredi 6 Décembre 2024, 14:00 à LPTHE, Library and Zoom (link in the comments) LPTHE-PPH (Particle Physics at LPTHE) hep-ph

Pearl Sandick ( University of Utah ) TBA

Abstract: TBA

Mardi 10 Décembre 2024, 14:00 à LPTHE, library LPTHE-PPH (Particle Physics at LPTHE) hep-ph

Yan-Qing Ma ( Peking University ) TBA

Jeudi 19 Décembre 2024, 11:45 à IHP, Grisvard (314) RENC-THEO (Rencontres Théoriciennes) hep-th

Falk Hassler ( University of Wroclaw ) TBA

Jeudi 9 Janvier 2025, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques) hep-th

Clément Dupont ( Montpellier ) TBA

Mardi 14 Janvier 2025, 14:00 à LPTHE, Library and Zoom (link in the comments) LPTHE-PPH (Particle Physics at LPTHE) hep-ph

Enrico Bertuzzo ( University of Modena and Reggio Emila ) TBA

Abstract: TBA

Jeudi 16 Janvier 2025, 10:00 à IHP, Grisvard (314) RENC-THEO (Rencontres Théoriciennes) hep-th

Celine Zwikel ( Perimeter Institute ) TBA

Jeudi 23 Janvier 2025, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques) hep-th

David Sauzin ( Observatoire de Paris ) TBA

Jeudi 6 Fevrier 2025, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques) hep-th

Hyeonjun Park ( KIAS ) TBA

Jeudi 13 Fevrier 2025, 10:00 à IHP, Pierre Grisvard RENC-THEO (Rencontres Théoriciennes) hep-th

Simone Giacomelli ( Milano-Bicocca ) TBA

Jeudi 6 Mars 2025, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques) hep-th

Sofia Tarricone ( IMJ-PRG ) TBA

Jeudi 12 Juin 2025, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques) hep-th

Jeremy Lovejoy TBA

les séminaires dans la série
à l' institut dans le domaine
et dont le champ comprend la séquence

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Jeudi 21 Novembre 2024, 10:00 à IHP, Grisvard (314)	RENC-THEO (Rencontres Théoriciennes)	hep-th
Victor Godet ( LPTHE )	Quantum cosmology as automorphic dynamics
Abstract:	I will explain how some recent progress on the Wheeler-DeWitt equation makes possible the systematic development of quantum cosmology in the canonical formulation. The cosmological wavefunctions are automorphic forms, and the Wheeler-DeWitt equation reduces to a dynamical equation on moduli space, so that quantum cosmology is equivalent to "automorphic dynamics".

Mardi 26 Novembre 2024, 14:00 à LPENS, L378, 24 Rue Lhomond	LPTENS-HE (Séminaire commun LPTENS-LPTHE)	hep-th
Nika Sokolova ( King's College London )	Probing Excited Strings on AdS5 × S5 via Integrability and Conformal Bootstrap.
Abstract:	We study the CFT data of planar 4D N=4 Super-Yang-Mills in the strong 't Hooft coupling limit, focusing on massive short strings in the flat-space limit of AdS5 ×S5. Specifically, we analyse the string states exchanged in the OPE of a four-point function dual to the AdS Virasoro-Shapiro amplitude. By organising this data into Regge trajectories, we predict the leading-order behaviour of four subleading trajectories using integrability, analyticity, and recent advances on the Virasoro-Shapiro amplitude. Notably, one trajectory and entire Kaluza-Klein towers decouple in the flat-space limit, hinting at an emergent selection rule for short-string scattering. Based on arXiv:2409.07529, arXiv:2310.06041, and arXiv:2306.12379.

Mardi 26 Novembre 2024, 14:00 à LPTHE, Library	LPTHE-PPH (Particle Physics at LPTHE)	hep-ph
Ben Allanach ( DAMTP Cambridge )	TBA
Abstract:	TBA

Jeudi 28 Novembre 2024, 11:00 à LPTHE, bibliothèque du LPTHE, tour 13-14, 4eme étage	SEM-DARBOUX (Séminaire Darboux - physique théorique et mathématiques)	hep-th
David Hernandez ( IMJ-PRG )	Folded quantum integrable models, deformed W-algebras and representations of quantized Coulomb branches
Abstract:	Deformed W-algebras are two parameter algebras associated to a simple Lie algebra g, obtained from fields commuting with screening operators. We discuss some remarkable specializations of deformed W-algebras. (1) Classical limit : We propose a novel quantum integrable model for every non- simply laced simple Lie algebra g (joint work with Frenkel and Reshetikhin). Its spectra correspond to solutions of the Bethe Ansatz equations obtained by folding the Bethe Ansatz equations associated to the simply-laced Lie algebra g′ (corresponding to g). Our construction is motivated by the analysis of the second classical limit of the deformed W-algebra of g. We conjecture, and verify in a number of cases, that the spaces of states of the folded integrable model can be identified with finite-dimensional representations of the Langlands dual (twisted) quantum affine algebra. (2) Mixed limit : we use this limit to state a general conjecture on the parametrization of simple modules of non simply-laced shifted quantum affine algebras (closely related to quantized Coulomb branches). We have several evidences, including a general result for simple finite-dimensional representations.

Jeudi 28 Novembre 2024, 17:00 à UFR-PHYS-SU, Amphi 25 Campus Pierre-et-Marie-Curie, Jussieu	CPMC (Colloquium Pierre et Marie Curie)	astro-ph\|cond-mat\|gr-qc\|hep-ex\|hep-lat\|hep-ph\|hep-th\|physics\|quant-ph
Alberto Loarte ( Head of ITER Science Division )	ITER: objectives, status and physics of nuclear fusion plasmas
Abstract:	TBA

Jeudi 30 Janvier 2025, 17:00 à UFR-PHYS-SU, Amphi 25 Campus Pierre-et-Marie-Curie, Jussieu	CPMC (Colloquium Pierre et Marie Curie)	astro-ph\|cond-mat\|gr-qc\|hep-ex\|hep-lat\|hep-ph\|hep-th\|physics\|quant-ph
Bérengère Dubrulle ( SPEC Saclay, Académie des Sciences )	Turbulence et climat
Abstract:	TBA

Jeudi 27 Mars 2025, 17:00 à UFR-PHYS-SU, Amphi 25 Campus Pierre-et-Marie-Curie, Jussieu	CPMC (Colloquium Pierre et Marie Curie)	astro-ph\|cond-mat\|gr-qc\|hep-ex\|hep-lat\|hep-ph\|hep-th\|physics\|quant-ph
Lydéric Bocquet ( LPENS, Académie des Sciences )	La mécanique moléculaire des fluides
Abstract:	TBA

Jeudi 22 Mai 2025, 17:00 à UFR-PHYS-SU, Amphi 25 Campus Pierre-et-Marie-Curie, Jussieu	CPMC (Colloquium Pierre et Marie Curie)	astro-ph\|cond-mat\|gr-qc\|hep-ex\|hep-lat\|hep-ph\|hep-th\|physics\|quant-ph
Didier Queloz ( Cambridge U & ETH Zurich )	The exoplanet revolution
Abstract:	TBA