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The University of Southampton
STAG Research Centre

String Theory seminar - Nicolas Kovensky [NOTE UNUSUAL LOCATION] Seminar

Time:
13:00
Date:
31 January 2024
Venue:
Building 05, room 2011

For more information regarding this seminar, please email David Turton at [email protected] .

Event details

Title: Ascending the attractor flow in the D1-D5 system

Abstract: We study maximally supersymmetric irrelevant deformations of the D1-D5 CFT that correspond to following the attractor flow in reverse in the dual half-BPS black string solutions of type IIB supergravity on K3. When a single, quadratic condition is imposed on the parameters of the 22 such irrelevant deformations, the asymptotics of the solution degenerate to a linear dilaton-like spacetime. We identify each such degeneration limit with a known decoupling limit of string theory, which yields little string theory or deformations thereof (the so-called open brane LST, or ODp theories), compactified to two dimensions.  This suggests that a 21-parameter family of the above deformations leads to UV-complete theories, which are string theories decoupled from gravity that are continuously connected to each other.  All these theories have been argued to display Hagedorn behaviour; we show that including the F1/D1 sources leads to an additional Cardy term.

Speaker information

Nicolas Kovensky , Saclay.

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