Holography and TTbar deformations

In this class we will study the TTbar deformation of two-dimensional conformal field theories and their holographic description in terms of three-dimensional gravity.

Schedule

Monday & Thursday (18/09 to 08/14), 16:10 - 17:40 @ A3-4-301 and Zoom (pwd: BIMSA)

Syllabus

The class will be divided into two parts covering the following topics:

Part I: The TTbar deformation

• Week 1: Motivation and the TTbar deformation
  Notes     : Lecture 1 | Lecture 2


• Week 2: The spectrum and torus partition function (part I)
  Notes     : Lecture 3 | Lecture 4


• Week 3: The torus partition function (part II)
  Notes     : Lecture 5 | Lecture 6


• Week 4: Symmetric product orbifolds
  Notes     : Lecture 7 | Lecture 8


• Week 5: The TTbar deformation of a symmetric product orbifold
• Week 6: The TTbar deformation of a free scalar
• Week 7: TTbar from JT gravity

Part II: Holography

• Week 8: Brief introduction to AdS3/CFT2
• Week 9: Double-trace (TTbar) deformations in AdS3/CFT2
• Week 10: Cutoff and glue-on AdS holography
• Week 11: Brief introduction to string theory in AdS3
• Week 12: The TTbar deformation in string theory