Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP06(2020)109
Keywords
AdS-CFT Correspondence; Conformal Field Models in String Theory; Black Holes in String Theory; Integrable Field Theories
Categories
Funding
- National Thousand-YoungTalents Program of China
- NFSC [11735001, 11950410499]
- International Postdoc Program at Tsinghua University
- ARC grant Holography, Gauge Theories and Quantum Gravity Building models of quantum black holes
- IISN | Belgium [4.4503.15]
- Solvay Family
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We study the relationship between TsT transformations, marginal deformations of string theory on AdS(3)backgrounds, and irrelevant deformations of 2d CFTs. We show that TsT transformations of NS-NS backgrounds correspond to instantaneous deformations of the worldsheet action by the antisymmetric product of two Noether currents, holographically mirroring the definition of the T (T) over bar, J (T) over bar ,T (J) over bar, and J (J) over bar deformations of 2d CFTs. Applying a TsT transformation to string theory on BTZ xS(3)xM(4)we obtain a general class of rotating black string solutions, including the Horne-Horowitz and the Giveon-Itzhaki-Kutasov ones as special cases, which we show are holographically dual to thermal states in single-traceTT over bar T (T) over bar -deformed CFTs. We also find a smooth solution interpolating between global AdS(3)in the IR and a linear dilaton background in the UV that is interpreted as the NS-NS ground state in the dual T (T) over bar -deformed CFT. This background suggests the existence of an upper bound on the deformation parameter above which the solution becomes complex. We find that the worldsheet spectrum, the thermodynamics of the black strings (in particular their Bekenstein-Hawking entropy), and the critical value of the deformation parameter match the corresponding quantities obtained from single-trace T (T) over bar deformations.
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