Nonlinearly charged scalar-tensor black holes in ( 2+1 ) dimensions

2019 ◽  
Vol 99 (10) ◽  
Author(s):  
M. Dehghani
Keyword(s):  
Black Holes ◽  
Charged Scalar

scholarly journals Analytic critical points of charged Rényi entropies from hyperbolic black holes

2021 ◽  
Vol 2021 (5) ◽  
Author(s):  
Jie Ren
Keyword(s):  
Black Holes ◽  
Black Hole ◽  
Study Phase ◽  
Zero Temperature ◽  
Charged Scalar ◽  
Yang Mills ◽  
Gravitational Systems ◽  
Rényi Entropies ◽  
Zero Entropy ◽  
Renyi Entropies

Abstract We analytically study phase transitions of holographic charged Rényi entropies in two gravitational systems dual to the $$ \mathcal{N} $$ N = 4 super-Yang-Mills theory at finite density and zero temperature. The first system is the Reissner-Nordström-AdS5 black hole, which has finite entropy at zero temperature. The second system is a charged dilatonic black hole in AdS5, which has zero entropy at zero temperature. Hyperbolic black holes are employed to calculate the Rényi entropies with the entangling surface being a sphere. We perturb each system by a charged scalar field, and look for a zero mode signaling the instability of the extremal hyperbolic black hole. Zero modes as well as the leading order of the full retarded Green’s function are analytically solved for both systems, in contrast to previous studies in which only the IR (near horizon) instability was analytically treated.

scholarly journals Effect of scalar field mass on gravitating charged scalar solitons and black holes in a cavity

2017 ◽  
Vol 764 ◽  
pp. 87-93 ◽  
Author(s):  
Supakchai Ponglertsakul ◽  
Elizabeth Winstanley
Keyword(s):  
Black Holes ◽  
Scalar Field ◽  
Field Mass ◽  
Charged Scalar

scholarly journals Scalar Dyon Production In Near Extremal Kerr-Newman Black Holes

2018 ◽  
Vol 168 ◽  
pp. 01011
Author(s):  
Chiang-Mei Chen ◽  
Sang Pyo Kim ◽  
Jia-Rui Sun ◽  
Fu-Yi Tang
Keyword(s):  
Black Holes ◽  
Pair Production ◽  
Cross Section ◽  
Field Theories ◽  
Conformal Field Theories ◽  
Cross Section Ratio ◽  
Point Function ◽  
Charged Scalar ◽  
Conformal Field ◽  
Horizon Geometry

The pair production of charged scalar dyons is analytically studied in near-extremal Kerr-Newman (KN) dyonic black holes. The pair production rate and its thermal interpretation are given. Moreover, the absorption cross section ratio has been compared with the two-point function of the conformal field theories (CFTs) holographically dual to the near horizon geometry, namely warped AdS3, of the near extremal Kerr-Newman black holes to verify the threefold dyonic KN/CFTs correspondence.

Stability of charged scalar–tensor black holes coupled to Born–Infeld nonlinear electrodynamics

2008 ◽  
Vol 26 (1) ◽  
pp. 015006 ◽  
Author(s):  
Ivan Zh Stefanov ◽  
Stoytcho S Yazadjiev ◽  
Michail D Todorov
Keyword(s):  
Black Holes ◽  
Nonlinear Electrodynamics ◽  
Charged Scalar

A CONNECTION BETWEEN QUASINORMAL MODES AND NONUNIQUENESS OF CHARGED SCALAR-TENSOR BLACK HOLES

2015 ◽  
Author(s):  
DANIELA D. DONEVA ◽  
STOYTCHO S. YAZADJIEV ◽  
KOSTAS D. KOKKOTAS ◽  
IVAN ZH. STEFANOV
Keyword(s):  
Black Holes ◽  
Quasinormal Modes ◽  
Charged Scalar
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