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The SEMPARIS seminar webserver hosts annoucements of all seminars taking place in Paris area, in all topics of physics, mathematics and computer science. It allows registered users to receive a selection of announcements by email on a daily or weekly basis, and offers the possibility to archive PDF or Powerpoint files, making it available to the scientific community.   [ More information ]


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Thursday 23 May 2024, 14:00 at LPTMC, LPTMC seminar room, Jussieu, towers 12-13, 5th floor, room 523 SEM-EXCEP (Seminaire exceptionnel) cond-mat
Nicolas Bergeal ( ESPCI ) Mesures de densité superfluide dans les supraconducteurs 2D
Abstract: TBA

Monday 27 May 2024, 13:30 at LPENS, U209 (29 rue d'Ulm) LPENS-MDQ (Séminaire Matériaux et Dispositifs Quantiques du LPENS) cond-mat
Sanchar Sharma TBA

Wednesday 29 May 2024, 12:45 at LPENS, 3 rue dUlm, College de France FORUM-ENS (Forum de Physique Statistique @ ENS) cond-mat.stat-mech
Pierfrancesco Urbani ( IPHT ) TBA
Abstract: T

Monday 3 June 2024, 11:00 at IPHT, Salle Claude Itzykson, Bât. 774 IPHT-STA (Séminaire de Physique Statistique, CEA/Saclay) cond-mat
Guilhem Semerjian ( LPENS ) TBA
Abstract: TBA

Tuesday 4 June 2024, 11:00 at LPTMS, Salle des séminaires du FAST et du LPTMS, bâtiment Pascal n°530 LPTMS (Séminaire du Laboratoire de Physique Théorique et Modèles Statistiques (Orsay)) cond-mat.stat-mech
Alexios P. Polychronakos ( CUNY New York ) TBA

Wednesday 5 June 2024, 13:30 at DPT-PHYS-ENS, ConfIV (E244) - Dépt de Physique de l'ENS - 24 rue Lhomond 75005 PARIS COLLOQUIUM-ENS (Colloquium of the Physics Department of ENS) physics
Guy Perrin TBA

Wednesday 5 June 2024, 13:45 at LPENS, 3 rue d'Ulm FORUM-ENS (Forum de Physique Statistique @ ENS) cond-mat.stat-mech
Guy Bunin ( Technion ) TBA
Abstract: TBA

Tuesday 11 June 2024, 11:00 at LPTMS, Salle des séminaires du FAST et du LPTMS, bâtiment Pascal n°530 LPTMS (Séminaire du Laboratoire de Physique Théorique et Modèles Statistiques (Orsay)) cond-mat.stat-mech
Ritesh Bhola ( Tata institute, Mumbai ) TBA

Wednesday 12 June 2024, 14:15 at IPHT, Salle Claude Itzykson, Bât. 774 IPHT-MAT (Séminaire de matrices, cordes et géométries aléatoires) hep-th
Victor Rodriguez ( Princeton ) TBD
Abstract: TBD

Wednesday 19 June 2024, 12:45 at LPENS, 3 rue dUlm FORUM-ENS (Forum de Physique Statistique @ ENS) cond-mat.stat-mech
Ananda Roy ( Rutgers University ) TBA
Abstract: TBA

Wednesday 19 June 2024, 14:15 at IPHT, Salle Claude Itzykson, Bât. 774 IPHT-MAT (Séminaire de matrices, cordes et géométries aléatoires) hep-th
Fridrik Gautason TBD
Abstract: TBD

Tuesday 25 June 2024, 11:00 at LPTMS, Salle des séminaires du FAST et du LPTMS LPTMS (Séminaire du Laboratoire de Physique Théorique et Modèles Statistiques (Orsay)) cond-mat.stat-mech
Anton Souslov ( University of Cambridge ) TBA

Thursday 27 February 2025, 14:00 at IJCLAB, A201 NUC-THEO (Séminaire de physique nucléaire théorique) nucl-th
Benjamin Bally ( CEA Saclay ) Coupling nuclear structure and relativistic hydrodynamic calculations: collectivity in small systems
Abstract: Whether or not femto-scale droplets of quark-gluon plasma (QGP) are formed in so-called small systems at high-energy colliders is a pressing question in the phenomenology of the strong interaction. For proton-proton or proton-nucleus collisions the answer is inconclusive due to the large theoretical uncertainties plaguing the description of these processes. While upcoming data on collisions of $^{16}$O nuclei may mitigate these uncertainties in the near future, here we demonstrate the unique possibilities offered by complementing $^{16}$O+$^{16}$O data with collisions of $^{20}$Ne ions. We couple both NLEFT and PGCM ab initio descriptions of the structure of $^{20}$Ne and $^{16}$O to hydrodynamic simulations of $^{16}$O+$^{16}$O and $^{20}$Ne+$^{20}$Ne collisions at high energy. We isolate the imprints of the bowling-pin shape of $^{20}$Ne on the collective flow of hadrons, which can be used to perform quantitative tests of the hydrodynamic QGP paradigm. In particular, we predict that the elliptic flow of $^{20}$Ne+$^{20}$Ne collisions is enhanced by as much as 1.170(8)(30) for NLEFT and 1.139(6)(39)for PGCM relative to $^{16}$O+$^{16}$O collisions for the 1\% most central events. At the same time, theoretical uncertainties largely cancel when studying relative variations of observables between two systems. This demonstrates a method based on experiments with two light-ion species for precision characterizations of the collective dynamics and its emergence in a small system.
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