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hep-th2022
Dirac-Born-Infeld Counter-Term and Black Hole Thermodynamics
Dileep P. Jatkar, Upamanyu Moitra
We revisit the Dirac-Born-Infeld--like boundary counter-term for four dimensional theory of gravity. We show that it correctly executes complete background subtraction for both asy…
hep-th2022★ 5 cited
Self-Similar Gravitational Dynamics, Singularities and Criticality in 2D
Upamanyu Moitra
We initiate a systematic study of continuously self-similar (CSS) gravitational dynamics in two dimensions, motivated by critical phenomena observed in higher dimensional gravitati…
hep-th2022★ 1 cited
Aspects of Jackiw-Teitelboim Gravity in Anti-de Sitter and de Sitter spacetime
Upamanyu Moitra, Sunil Kumar Sake, Sandip P. Trivedi
We discuss JT gravity in AdS and dS space in the second order formalism. For the pure dS JT theory without matter, we show that the path integral gives rise in general to the Hartl…