40.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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15 papers · 2 filters
Entanglement Phase Structure of a Holographic BCFT in a Black Hole Background
Hao Geng, Andreas Karch, Carlos Perez-Pardavila +4
We compute holographic entanglement entropy for subregions of a BCFT thermal state living on a nongravitating black hole background. The system we consider is doubly holographic an…
Non-topological logarithmic corrections in minimal gauged supergravity
Marina David, Victor Godet, Zhihan Liu +1
We compute the logarithmic correction to the entropy of asymptotically AdS black holes in minimal gauged supergravity. We show that for extremal black holes the lo…
Replicas for Random Matrices
Madhusudhan Raman
We discuss the use of the replica ansatz in computing free energies in random matrix theory, and confirm a conjectured condition on analytic continuation in the replica index at la…
Long-range fermions and critical dualities
Noam Chai, Soumangsu Chakraborty, Mikhail Goykhman +1
We construct long-range fermionic models with the Gross-Neveu and Gross-Neveu-Yukawa interaction, and argue that their critical regimes are equivalent. To this end, we calculate va…
Weighed average over Narain moduli space as deformation of CFT target space
Soumangsu Chakraborty, Akikazu Hashimoto
We consider the weighted average of a two dimensional CFT, whose target space is , over its Narain moduli space. We take as the weighing function the integral kernel which giv…
Critical long-range vector model in the UV
Soumangsu Chakraborty, Mikhail Goykhman
We study interacting critical UV regime of the long-range vector model with quartic coupling. Analyzing CFT data within the scope of - and -expansion, we collect evi…
An effective description of momentum diffusion in a charged plasma from holography
Temple He, R. Loganayagam, Mukund Rangamani +1
We discuss the physics of momentum diffusion in a charged plasma. Following the holographic strategy outlined in arXiv:2012.03999 we construct an open effective field theory for th…
Holography from the Wheeler-DeWitt equation
Chandramouli Chowdhury, Victor Godet, Olga Papadoulaki +1
In a theory of quantum gravity, states can be represented as wavefunctionals that assign an amplitude to a given configuration of matter fields and the metric on a spatial slice. T…
Half-wormholes in nearly AdS holography
Antonio M. García-García, Victor Godet
We find half-wormhole solutions in Jackiw-Teitelboim gravity by allowing the geometry to end on a spacetime D-brane with specific boundary conditions. This theory also contains a E…
A monogamy paradox in empty flat space
Tuneer Chakraborty, Joydeep Chakravarty, Priyadarshi Paul
In a recent paper, Raju showed that the essential features of the monogamy paradox for old flat space black holes could be modeled using a setup in empty AdS, leading to a violatio…
Inconsistency of Islands in Theories with Long-Range Gravity
Hao Geng, Andreas Karch, Carlos Perez-Pardavila +4
In ordinary gravitational theories, any local bulk operator in an entanglement wedge is accompanied by a long-range gravitational dressing that extends to the asymptotic part of th…
From black holes to baby universes in CGHS gravity
Victor Godet, Charles Marteau
We study gravity, a variant of the matterless Callan-Giddings-Harvey-Strominger model. We show that it describes a universal sector of the near horizon pert…
Revisiting Coleman-de Luccia transitions in the AdS regime using holography
Jewel K. Ghosh, Elias Kiritsis, Francesco Nitti +1
Coleman-de Luccia processes for AdS to AdS decays in Einstein-scalar theories are studied. Such tunnelling processes are interpreted as vev-driven holographic RG flows of a quantum…
Gravitational perturbations from NHEK to Kerr
Alejandra Castro, Victor Godet, Joan Simón +2
We revisit the spectrum of linear axisymmetric gravitational perturbations of the (near-)extreme Kerr black hole. Our aim is to characterise those perturbations that are responsibl…
Jackiw-Teitelboim Gravity in the Second Order Formalism
Upamanyu Moitra, Sunil Kumar Sake, Sandip P. Trivedi
We formulate the path integral for Jackiw-Teitelboim gravity in the second order formalism working directly with the metric and the dilaton. We consider the theory both in Anti-de…