Events
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RAQIS 22
Recent Advances in Quantum Integrable Systems
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Newtonian regime in a spherical or hyperbolic universe and consequences for the role of spatial curvature in cosmology
The standard model of cosmology currently allows for three types of geometries for our Universe (Euclidean, spherical or hyperbolic), each of these types corresponding to a set of different (multiconnected)-topologies. Among these geometries, Newton’s theory of gravity is only defined on the Euclidean one. Still, extending the validity of this theory to the two other […]
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Alpine Strings 2022
This 1-day workshop aims at gathering in Annecy the local string and quantum field theory community for fruitful exchanges on active research topics. Those include: Bootstrap Swampland program and string phenomenology Supergravity and Exceptional Field Theories Participating institutions are mainly LPENS (Lyon), IP2I (Lyon), LAPTh (Annecy), CERN (Meyrin), UNIGE (Geneva) and EPFL (Lausanne). Young […]
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News from the Universe: A Trio of Intriguing Developments in Astrophysics and Cosmology
Auditorium (LAPTh)Speakers: Christopher Eckner (CNRS, LAPTh) Abstract:I will present three recent papers advancing our understanding of astrophysics and cosmology. The covered papers are:I) arXiv:2304.0607: "The Image of the M87 Black Hole Reconstructed with PRIMO" A crisper image of the supermassive black hole of M87 with machine learningII) arXiv:2304.09895: "Anomalies in Gravitational-Lensed Images Revealing Einstein Rings Modulated by […]
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DM indirect searches with cosmic-ray antiparticles
Auditorium (LAPTh)Speakers: Pedro de la Torre Luque (Stockholm University)The creation of antiparticles in the Galaxy has been discussed as a potential signal of exotic production mechanisms such as primordial black hole evaporation or dark matter decay/annihilation, in addition to the more conventional production from cosmic-ray (CR) interactions. Recent CR detectors have provided very accurate measurements on […]
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Entanglement and separability of Rokhsar-Kivelson and resonating valence-bond states
Auditorium (LAPTh)Speakers: Gilles Parez (CRM, Montréal)Entanglement and separability are two opposite yet intertwined notions in quantum mechanics. A quantum state is said to be entangled if it is not separable, and vice versa. Quantifying how entangled two subsystems are remains a challenging problem, which has led to important insights in the context of quantum many-body systems. […]
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[AnLy] Gerben Venken
Online seminarSpeakers: Gerben Venken (U. Heidelberg) Abstract: Link: ZoomAnLy: https://sites.google.com/view/anlystringsandfields https://indico.in2p3.fr/event/29869/
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French Strings Meeting 2023
LAPThThis meeting will gather the France-based community working in string and quantum field theory for three days of scientific exchanges on current developments in these research areas. The workshop will take place at LAPTh, Annecy, from Tuesday 23rd May at 2pm till Thursday 25th at around 2pm. The detailed program can be found here. Talks […]
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[Journal Club] Pasquale Serpico
Petit Amphi (LAPTh)Speakers: Pasquale Serpico (LAPTh, Annecy-le-vieux) Abstract: https://indico.in2p3.fr/event/29749/
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[AnLy] Solving 3d Gravity with Virasoro TQFT
Online seminarSpeakers: Lorenz Eberhardt (Princeton, IAS)Abstract: I will explain a proposal which relates three-dimensional quantum gravity in AdS3 to a particular 3d TQFT that we refer to as ``Virasoro TQFT’'. This relation gives a precise meaning to the standard folklore that pure 3d gravity is related to two copies of SL(2,R) Chern-Simons theory. I will discuss […]
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Sreemanti Chakraborti
Auditorium (LAPTh)https://indico.in2p3.fr/event/29661/