Events Calendar

 December 2022        
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28
Fedor Popov, Conformal Field Theories and Tensor Models (12:30 PM - 1:30 PM)

Mitrajyoti Ghosh, The 2-neutrino force and where to find it (2:00 PM - 3:00 PM)

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29
ASTRO Journal Club (12:30 PM - 1:30 PM)

Yuri Levin, Resonant Friction on discs in galactic nuclei (2:00 PM - 3:00 PM)

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30
HEP Journal Club (12:30 PM - 1:30 PM)

Shu-Heng Shao, Non-invertible Symmetries in Nature (2:00 PM - 3:00 PM)

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1
, Graduate Student Town Hall (10:00 AM - 11:15 AM)

Chandralekha Singh, Facilitating Thinking and Learning In and Beyond the Physics Classrooms using Research-based Approaches (4:00 PM)

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2
Joshua Ruderman, meeting (3:00 PM - 5:00 PM)

5
Isabel Garcia Garcia, Gravitational Instabilities of Spacetime (12:30 PM - 1:30 PM)

Lingfeng Li, Jupiter missions as probes of dark matter (2:00 PM - 3:00 PM)

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, Grad Pheno Journal Club (3:30 PM - 4:30 PM)

6
ASTRO Journal Club (12:30 PM - 1:30 PM)

Matias Zaldarriaga, Gravitational Waves: Astrophysics with the LIGO/VIRGO data Gravitational Waves: Astrophysics with the LIGO/VIRGO data Gravitational Waves: Astrophysics with the LIGO/VIRGO data (2:00 PM - 3:00 PM)

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Zare, HET Discussion Session (3:00 PM - 5:00 PM)

7
Ana-Maria Raclariu, Celestial amplitudes from flat space limits of AdS/Witten diagrams (2:00 PM - 3:00 PM)

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8
Heidi Hammel, James Webb Space Telescope (4:00 PM - 5:00 PM)

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Igor Klebanov, Strong Interactions, Confinement and Strings (4:00 PM)

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9
Fei Yan, Entanglement entropy in (1+1)-d with defects (11:00 AM - 12:00 PM)

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Sangmin Choi, Holography from Singular Supertranslations on a Black Hole Horizon (2:00 PM - 3:00 PM)

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12
, No CCPP Brown Bag (12:30 PM - 1:30 PM)

13
ASTRO Journal Club (12:30 PM - 1:30 PM)

Blakesley Burkhart, Evidence for Long-range AGN Jet Feedback in the Low Redshift Lyman-alpha Forest (2:00 PM - 3:00 PM)

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Adrian Tanasa, Tensor models, large N limit and double scaling limit (4:00 PM - 5:00 PM)

-- Abstract: Matrix models, seen as quantum field theoretical models, are known to represent a successful approach to 2D quantum gravity and to have many other interesting applications in Physics. Some of the main results of the study of matrix models in theoretical physics are the 't Hooft large N limit (the perturbative series can be reorganized in powers of 1/N (N being the matrix size)) and the double scaling limit mechanism (known to be related to the continuuos limit of the models). After a brief introduction dedicated to matrix models, I will focus in this talk on tensor models, which are a natural quantum field theoretical generalization of these matrix models. In particular, I will present the implementation of the large N limit (N being now the size of the tensor) and the double scaling limit mechanisms for various tensor models, such as the O(N)³-invariant tensor model, initially introduced in O dimensions by Carrozza and Tanasa, arXiv:1512.06718, and then extended to the 1-dimensional case, by Klebanov and Tarnopolsky, arXiv:1611.08915. In the last part of the talk I will present how tensor models have been related (initially by Witten and then shortly after by Klebanov and Tarnopolsky) to the Sachdev-Ye-Kitaev model, which is known to be a particularly interesting toy model for holography.

14
Eric A. Bergshoeff, A Consistent Limit of 11D Supergravity (11:00 AM - 12:15 PM)

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HEP Journal Club (12:30 PM - 1:30 PM)

Patrick Meade, A leptonic vision of the future (2:00 PM - 3:00 PM)

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15
16
Matt & Xu-Yao, Quantum-Group Group Meeting (1:00 PM - 2:15 PM)

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