Quasinormal modes and dispersion relations for quarkonium in a plasma
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2019)082
Abstract: A bstractRecent investigations show that the thermal spectral function of heavy bb¯$$ b\overline{b} $$ and cc¯$$ c\overline{c} $$ vector mesons can be described using holography. These studies consider a bottom up model that captures the… read more here.
Keywords: dispersion relations; modes dispersion; relations quarkonium; quasinormal modes ... See more keywords
Characters, quasinormal modes, and Schwinger pairs in dS2 with flux
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep03(2022)165
Abstract: Abstract An integral representation of the 1-loop partition function for charged scalars and spinors, minimally coupled to a uniform U(1) field on S2, is given in terms of SO(1, 2) Harish-Chandra group characters and evaluated… read more here.
Keywords: field; characters quasinormal; schwinger pairs; pairs ds2 ... See more keywords
Quasinormal modes of Gauss-Bonnet-AdS black holes: towards holographic description of finite coupling
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep09(2017)139
Abstract: A bstractHere we shall show that there is no other instability for the Einstein-Gauss-Bonnet-anti-de Sitter (AdS) black holes, than the eikonal one and consider the features of the quasinormal spectrum in the stability sector in… read more here.
Keywords: quasinormal modes; gauss bonnet; black holes; modes gauss ... See more keywords
Higher spin de Sitter quasinormal modes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep11(2021)025
Abstract: Abstract We construct higher spin quasinormal modes algebraically in D-dimensional de Sitter spacetime using the ambient space formalism. The quasinormal modes fall into two nonunitary lowest-weight representations of $$ \mathfrak{so} $$ so (1, D). From… read more here.
Keywords: sitter quasinormal; higher spin; spin; spin sitter ... See more keywords
Quasinormal modes and horizon area quantisation in Loop Quantum Gravity
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DOI: 10.1007/s10714-022-02905-8
Abstract: It is argued that the quantum of area between consecutive, high overtones quasinormal modes of a black hole horizon coincides with the area gap predicted by Loop Quantum Gravity, as long as the horizon is… read more here.
Keywords: area; loop quantum; quantum gravity; quasinormal modes ... See more keywords
Quasinormal modes of the test fields in the consistent 4D Einstein–Gauss-Bonnet–(anti)de Sitter gravity
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Physics"
DOI: 10.1016/j.aop.2021.168425
Abstract: Abstract The regularization proposed in Glavan and Lin (2020) led to the black hole solutions which turned out to be the solutions of the consistent well-defined 4-dimensional Einstein-Gauss–Bonnet theory of gravity suggested in Aoki et al.… read more here.
Keywords: anti sitter; einstein gauss; sitter; gauss bonnet ... See more keywords
Quasinormal modes and shadow of a Schwarzschild black hole with GUP
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Physics"
DOI: 10.1016/j.aop.2021.168662
Abstract: We consider quantum corrections for the Schwarzschild black hole metric by using the generalized uncertainty principle (GUP) to investigate quasinormal modes, shadow and their relationship in the eikonal limit. We calculate the quasinormal frequencies of… read more here.
Keywords: quasinormal modes; black hole; schwarzschild black; gup ... See more keywords
Quasinormal modes and phase transitions of regular black holes
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2021.115539
Abstract: By generalizing the dimensionless skill, we investigate the quasinormal modes and thermodynamics analytically for three types of regular black holes. The deviations of the first law and Bekenstein bound are shown. Meanwhile, we verify that… read more here.
Keywords: quasinormal modes; regular black; black holes; thermodynamics ... See more keywords
Quasinormal modes of generalized black holes: δ-Kerr spacetime
Sign Up to like & getrecommendations! Published in 2020 at "Classical and Quantum Gravity"
DOI: 10.1088/1361-6382/ab6860
Abstract: The nonlinear superposition of the delta-metric and the Kerr metric results in delta-Kerr metric that represents a deformed Kerr black hole with delta = 1 + q, where q > 0 is proportional to the… read more here.
Keywords: delta kerr; black holes; modes generalized; quasinormal modes ... See more keywords
Master equations and quasinormal modes of spin- 3/2 fields in Schwarzschild (A)dS black hole spacetimes
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.104018
Abstract: In this work, we consider spin-3/2 fields in Schwarzschild (anti-)de Sitter [(A)dS] black hole spacetimes. As this spacetime is different from the Ricci-flat cases, it is necessary to modify the covariant derivative to the supercovariant… read more here.
Keywords: black hole; hole spacetimes; fields schwarzschild; spin fields ... See more keywords
Black holes in Einstein-aether theory: Quasinormal modes and time-domain evolution
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.102.024076
Abstract: We propose accurate calculations of quasinormal modes of black holes in the Einstein-aether theory, which were previously considered in the literature, partially, with insufficient accuracy. We also show that the arbitrarily long lived modes, quasi-resonances,… read more here.
Keywords: theory quasinormal; holes einstein; einstein aether; black holes ... See more keywords