Hairy Taub-NUT/bolt-AdS solutions in Horndeski theory

被引：17

作者：

Arratia, Esteban ^{[1
]}

Corral, Cristobal ^{[2
]}

Figueroa, Jose ^{[1
]}

Sanhueza, Leonardo ^{[1
]}

机构：

[1] Univ Concepcion, Dept Fis, 160-C, Concepcion, Chile

[2] Univ Arturo Prat, Fac Ciencias, Inst Ciencias Exactas & Nat, Ave Arturo Prat Chacon 2120, Iquique 1110939, Chile

来源：

PHYSICAL REVIEW D | 2021年 / 103卷 / 06期

基金：

巴西圣保罗研究基金会;

关键词：

SCALAR-TENSOR; BLACK STRINGS; NUT; GAUGE; GRAVITY; NEWMAN; SPACE; INSTANTON; DYNAMICS; LOVELOCK;

D O I：

10.1103/PhysRevD.103.064068

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present different Taub-NUT/bolt-anti de Sitter (AdS) solutions in a shift-symmetric sector of Horndeski theory of gravity possessing nonminimal kinetic coupling of scalar fields to the Einstein tensor. In four dimensions, we find locally and asymptotically locally AdS solutions possessing nontrivial scalar field. In higher dimensions, analytical Taub-NUT/bolt-AdS p-branes and solitons are obtained, supported by the existence of p Horndeski scalar fields with axionic profile. The thermodynamic properties are studied through Euclidean methods and it is found that the first law of thermodynamics is satisfied. Moreover, constraints on the parameter space of Horndeski gravity and NUT charge are obtained by demanding positivity of the mass, entropy, and specific heat of the p-branes and soliton. We briefly comment on future applications in holography.

引用

页数：18

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