This week

Wednesday

Spherical Branes, Supersymmetric Localization, and Holography

Regular Seminar Nikolay Bobev (KUL Leuven)

at:
14:00 IC
room Zoom
abstract:

I will describe a class of supergravity solutions holographically dual to d-dimensional maximally supersymmetric SYM on S^d. Supersymmetric localization can be employed to calculate the partition function and the VEV of a 1/2-BPS Wilson lines in the planar limit of the SYM theory. I will present the results of this calculation and will show how they lead to a non-trivial precision test of holography in the context of non-conformal QFTs and space-times that are non asymptotically locally AdS.

From bulk reconstruction to Berry phases and back

Journal Club Bartlomiej Czech (IAS, Tsinghua U.)

at:
15:00 Other
room Virtual
abstract:

The first half of the talk will be a review of the main ingredients of bulk reconstruction: the Ryu-Takayanagi formula and subregion duality, the JLMS theorem, error correction and the complexity conjecture. The second half will be about my recent and current work on "modular Berry phases"--a type of Berry phase which characterizes the entanglement structure of a quantum state. We will see that the bulk curvature in AdS is (up to an integral transform) a special case of the modular Berry phase, though the concept has many other applications which we may or may not discuss.

Part of the Black Hole Information Paradox Journal Club. Please email damian.galante@kcl.ac.uk for Zoom link to the meeting.

Thursday

t.b.a. (UNUSUAL TIME)

Journal Club Olof Ohlsson Sax (NORDITA)

at:
13:00 Other
room Zoom, instructions in abstract
abstract:

t.b.a. -------- Part of London Integrability Journal Club. New participants please register at integrability-london.weebly.com to receive the link.