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DTSTART;TZID=America/Santiago:20221102T140000
DTEND;TZID=America/Santiago:20221102T160000
DTSTAMP:20260505T095848
CREATED:20221101T032939Z
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UID:4569-1667397600-1667404800@holography.cl
SUMMARY:Journal Club
DESCRIPTION:[vc_row][vc_column][vc_column_text]In this week’s Journal Club\, we have \n  \n\nFelipe Díaz (UNAB): “Thermal Fluctuations and Holographic Charged\nRenyi entropy”\n\nAbstract: “Renyi entropies correspond to a one-parameter generalization\nof Von-Neumann entropy but with some advantages; they are easier to\nstudy\, both numerically and experimentally. In the AdS/CFT context\, they\nhave been also shown to provide great insights into the comprehension of\nthe entropy area law and in the black hole information problem. For a\nCFT with a global symmetry\, it is possible to extend the notion to the\nso called “charged Renyi entropy” by means of a conformal map that leads\nto a grand canonical partition function with a Wilson loop encircling\nthe entangling region. This quantity has been conjectured to be\nholographically dual to charged black holes. In this talk we extend this\nresult to include nonlinear sources and compute the thermal fluctuations\non the gravity side. These corrections lead to a new logarithmic\ndivergence in the entanglement entropy which usually appear in a field\ntheory with spontaneous breaking of a continuous symmetry.” \n  \n\nAnthony Osses (UC): “Breve introducción a las amplitudes celestiales:\nel plano complejo de los pesos conformes”\n\nAbstract: “En esta charla se dará una breve introducción a “Amplitudes\ncelestiales”. Estas son una realización de holografia en espacios\nasintoticamente planos que mapea amplitudes de scattering en 4D\nfunciones a funciones de correlación de una aún desconocida 2D CFT. Se\ndará especial énfasis al rol que juega la estructura analítica de los\npesos conformes y cómo ésta conecta el IR y el UV de una nueva e\ninteresante manera.” \n[/vc_column_text][/vc_column][/vc_row]
URL:https://holography.cl/activity/journal-club/
LOCATION:Online\, Zoom
CATEGORIES:Journal Club
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