49 citations · 413 across the 24 of their papers we have counts for
25 papers
Towards OSV in AdS
Nikolay Bobev, Sunjin Choi, Junho Hong +1
We use supersymmetric localization for 3d SCFTs to establish a relation of the form between the superconformal index and the…
An Airy Tale at Large
Nikolay Bobev, Pieter-Jan De Smet, Junho Hong +2
We study the sphere partition function of 3d holographic SCFTs arising on the worldvolume of coincident M2-branes in the presence of squashing and real mass def…
Superconformal Indices of 3d SCFTs and Holography
Nikolay Bobev, Sunjin Choi, Junho Hong +1
We study the superconformal index of 3d superconformal field theories on in the Cardy-like limit where the radius of the is much smaller tha…
A compendium of logarithmic corrections in AdS/CFT
Nikolay Bobev, Marina David, Junho Hong +2
We study the logarithmic corrections to various CFT partition functions in the context of the AdS/CFT correspondence for theories arising on the worldvolume of M2-branes. W…
Holographic Thermal Observables and M2-branes
Nikolay Bobev, Junho Hong, Valentin Reys
We use holography in conjunction with recent results from supersymmetric localization to compute certain thermal observables for 3d holographic SCFTs arising on the…
Large Partition Functions of 3d Holographic SCFTs
Nikolay Bobev, Junho Hong, Valentin Reys
We study the topologically twisted index and the squashed sphere partition function of various 3d holographic superconformal field theo…
The gravitational path integral for BPS black holes from black hole microstate counting
Gabriel Lopes Cardoso, Abhiram Kidambi, Suresh Nampuri +2
We use the exact degeneracy formula of single-centred BPS dyonic black holes with unit torsion in 4D toroidally compactified heterotic string theory to improve on t…
Microscopics of de Sitter Entropy from Precision Holography
Nikolay Bobev, Thomas Hertog, Junho Hong +2
We calculate quantum corrections to the entropy of four-dimensional de Sitter space induced by higher-derivative terms in the gravitational action and by one-loop effects. Employin…
Large Superconformal Indices for 3d Holographic SCFTs
Nikolay Bobev, Sunjin Choi, Junho Hong +1
We study a limit of the superconformal index of the ABJM theory on in which the size of the circle is much smaller than the radius of the two-sphere. We derive clos…
Large Partition Functions of the ABJM Theory
Nikolay Bobev, Junho Hong, Valentin Reys
We study the large limit of some supersymmetric partition functions of the ABJM theory computed by supersymmetric localization. We…
Higher-Derivative Corrections and AdS Black Holes
Nikolay Bobev, Vasil Dimitrov, Valentin Reys +1
Using recent results in four-derivative 5d minimal gauged supergravity, we evaluate the regularized on-shell action of the Euclidean solution in this theory that ad…
Large Topologically Twisted Indices, Holography, and Black Holes
Nikolay Bobev, Junho Hong, Valentin Reys
We present a simple closed form expression for the topologically twisted index of the ABJM theory as a function of the magnetic fluxes and complex chemical potentials valid at fixe…
AdS Holography and Higher-Derivative Supergravity
Nikolay Bobev, Kiril Hristov, Valentin Reys
We study four-derivative corrections to 5d minimal gauged supergravity using tools from conformal supergravity. There are two supersymmetric invariants at the four-…
Factorization of log-corrections in AdS/CFT from supergravity localization
Kiril Hristov, Valentin Reys
We use the Atiyah-Singer index theorem to derive the general form of the one-loop corrections to observables in asymptotically anti-de Sitter (AdS) supersymmetric backgrounds o…
Higher-Derivative Supergravity, AdS Holography, and Black Holes
Nikolay Bobev, Anthony M. Charles, Kiril Hristov +1
We use conformal supergravity techniques to study four-derivative corrections in four-dimensional gauged supergravity. We show that the four-derivative Lagrangian for the propagati…
Higher-Derivative Supergravity, Wrapped M5-branes, and Theories of Class
Nikolay Bobev, Anthony M. Charles, Dongmin Gang +2
We study the interplay between four-derivative 4d gauged supergravity, holography, wrapped M5-branes, and theories of class . Using results from Chern-Simons theory on…
Dyonic black hole degeneracies in string theory from Dabholkar-Harvey degeneracies
Abhishek Chowdhury, Abhiram Kidambi, Sameer Murthy +2
The degeneracies of single-centered dyonic -BPS black holes (BH) in Type II string theory on K3 are known to be coefficients of certain mock Jacobi forms arisi…
One-loop determinants for black holes in 4d gauged supergravity
Kiril Hristov, Ivano Lodato, Valentin Reys
We continue the effort of defining and evaluating the quantum entropy function for supersymmetric black holes in 4d gauged supergravity, initiated in [1803.05920]. T…
BRST quantization and equivariant cohomology: localization with asymptotic boundaries
Bernard de Wit, Sameer Murthy, Valentin Reys
We develop BRST quantization of gauge theories with a soft gauge algebra on spaces with asymptotic boundaries. The asymptotic boundary conditions are imposed on background fields,…
On the quantum entropy function in 4d gauged supergravity
Kiril Hristov, Ivano Lodato, Valentin Reys
We analyze BPS black hole attractors in the conformal 4d gauged supergravity formalism and apply the technique known as supergravity localization in order to evaluate Sen's quantum…
Mixed Rademacher and BPS Black Holes
Francesca Ferrari, Valentin Reys
Dyonic 1/4-BPS states in Type IIB string theory compactified on are counted by meromorphic Jacobi forms. The finite parts of these functions, which are mix…
Quantum Black Hole Entropy and Localization in Supergravity
Valentin Reys
In this thesis, we examine in detail the notion of black hole entropy in Quantum Field Theories, with a specific focus on supersymmetric black holes and the perturbative and non-pe…
Single-centered black hole microstate degeneracies from instantons in supergravity
Sameer Murthy, Valentin Reys
We obtain holographic constraints on the microscopic degeneracies of black holes by computing the exact macroscopic quantum entropy using localization, including the effects of str…
Functional determinants, index theorems, and exact quantum black hole entropy
Sameer Murthy, Valentin Reys
The exact quantum entropy of BPS black holes can be evaluated using localization in supergravity. An important ingredient in this program, that has been lacking so far, is the one-…