Holography in CGHS supergravity
arXiv:2211.00612 · doi:10.1007/JHEP03(2023)009
Abstract
We study holographic aspects of 2D dilaton-supergravity in flat space-time using gauge theoretic BF formulation. The asymptotic symmetries in Bondi gauge and at finite temperature span a supersymmetric extension of the warped Virasoro algebra at level zero. The boundary action is determined such that the bulk variational principle is ensured and turns out to be a super-warped Schwarzian theory at the vanishing level. We also study the thermodynamics of the black hole saddle in this model.
20 pages, v2: references, clarifications added, correction of typos and the boundary action made, v3: The integrability conditions (4.28) are made off-shell, v4: The published version; clarification about the Eucl. theory added, subsec. 5.2 added, corrections and typos fixed
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