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Related papers: Spin-Statistics for Black Hole Microstates

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Understanding how to prepare and count black hole micro-states by using the gravitational path integral is one of the most important problems in quantum gravity. Nevertheless, a state-by-state count of black hole microstates is difficult…

High Energy Physics - Theory · Physics 2024-07-08 Jan Boruch , Luca V. Iliesiu , Cynthia Yan

Reproducing the integer count of black hole micro-states from the gravitational path integral is an important problem in quantum gravity. In this paper, we show that, by using supersymmetric localization, the gravitational path integral for…

High Energy Physics - Theory · Physics 2022-09-29 Luca V. Iliesiu , Sameer Murthy , Gustavo J. Turiaci

Counting of microscopic states of black holes is discussed within the framework of loop quantum gravity. There are two different ways, one allowing for all spin states and the other involving only pure horizon states. The number of states…

High Energy Physics - Theory · Physics 2009-06-26 P. Mitra

We investigate spin-refined partition functions in AdS/CFT using Euclidean gravitational path integrals. We construct phase diagrams for $Z_X = \text{Tr} \big( e^{-\beta H} X \big)$ in various dimensions and for different choices of…

High Energy Physics - Theory · Physics 2025-04-29 David Grabovsky , Maciej Kolanowski

The extent to which quantum mechanical features of black holes can be understood from the Euclidean gravity path integral has recently received significant attention. In this paper, we examine this question for the calculation of the…

High Energy Physics - Theory · Physics 2022-10-05 Luca V. Iliesiu , Murat Kologlu , Gustavo J. Turiaci

We explain in detail how to calculate the gravitational mass and angular momentum multipoles of the most general non-extremal four-dimensional black hole with four magnetic and four electric charges. We also calculate these multipoles for…

High Energy Physics - Theory · Physics 2021-03-31 Iosif Bena , Daniel R. Mayerson

The gravitational field in a spatially finite region is described as a microcanonical system. The density of states $\nu$ is expressed formally as a functional integral over Lorentzian metrics and is a functional of the geometrical boundary…

General Relativity and Quantum Cosmology · Physics 2009-10-22 J. David Brown , James W. York

The first objective of this article is to show that the black hole partition function can be placed on a firm logical foundation by enclosing the black hole in a spatially finite "box" or boundary. The presence of the box has the effect of…

General Relativity and Quantum Cosmology · Physics 2008-02-03 J. D. Brown , J. W. York

The path-integral calculation for the free energy of a spin-1/2 Dirac-fermion gas is performed in spherical polar coordinates for a flat spacetime geometry. Its equivalence with the Cartesian-coordinate representation is explicitly…

High Energy Physics - Theory · Physics 2013-07-08 Andrew Briggs , Horacio E. Camblong , Carlos R. Ordonez

In this paper, I calculated the partition function of the quantum statistical system of free massless bosonic Higher spin (HS) fields on $d$-dimensional Minkowski spacetime by using the Feynman's path integral approach, it is a nontrivial…

High Energy Physics - Theory · Physics 2026-01-16 N. Srinivas

We develop a method for computing the free-energy of a canonical ensemble of quantum fields near the horizon of a rotating black hole. We show that the density of energy levels of a quantum field on a stationary background can be related to…

General Relativity and Quantum Cosmology · Physics 2010-11-19 V. Frolov , D. Fursaev

In this letter we present the result of a spin-dependent groundstate-energy calculation for fermionic boundstates in the spacetime around a rotating blackhole. Using a slow rotation approximation and a minimax variational approach we find…

General Relativity and Quantum Cosmology · Physics 2007-07-19 I. Sturm , F. M. C. Witte

We identify the microstates of the non supersymmetric, asymptotically flat 2d black hole in the dual c=1 matrix quantum mechanics (MQM). We calculate the partition function of the theory using Hamiltonian methods and reproduce one of two…

High Energy Physics - Theory · Physics 2024-01-24 Amr Ahmadain , Alexander Frenkel , Krishnendu Ray , Ronak M Soni

Counting of microscopic states of black holes is performed within the framework of loop quantum gravity. This is the first calculation of the pure horizon states using statistical methods, which reveals the possibility of additional states…

High Energy Physics - Theory · Physics 2009-11-11 A. Ghosh , P. Mitra

The counting of microstates of supersymmetric black holes with anti-de Sitter or flat asymptotics is obtained by computing a supersymmetric index in a weakly coupled string theory or a dual superconformal field theory. These indices are…

High Energy Physics - Theory · Physics 2026-02-17 Enrico Turetta

The microcanonical functional integral for an eternal black hole system is considered. This requires computing the microcanonical action for a spatially bounded spacetime region when its two disconnected timelike boundary surfaces are…

General Relativity and Quantum Cosmology · Physics 2010-11-01 Erik A. Martinez

Polymer quantization is a non-standard representation of the quantum mechanics that inspired by loop quantum gravity. To study the associated statistical mechanics, one needs to find microstates' energies which are eigenvalues of the…

General Relativity and Quantum Cosmology · Physics 2015-06-18 M. A. Gorji , Kourosh Nozari , B. Vakili

A spinning black hole with a much smaller black hole companion forms a fundamental gravitational system, like a colossal classical analog to an atom. In an appealing if imperfect analogy to atomic physics, this gravitational atom can be…

General Relativity and Quantum Cosmology · Physics 2010-04-30 Janna Levin

We argue that the statistical entropy relevant for the thermal interactions of a black hole with its surroundings is (the logarithm of) the number of quantum microstates of the hole which are distinguishable from the hole's exterior, and…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Carlo Rovelli

Due to the failure of thermodynamics for low temperature near-extremal black holes, it has long been conjectured that a "thermodynamic mass gap" exists between an extremal black hole and the lightest near-extremal state. For…

High Energy Physics - Theory · Physics 2021-06-15 Matthew Heydeman , Luca V. Iliesiu , Gustavo J. Turiaci , Wenli Zhao
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