Ghost free massive gravity with singular reference metrics

Hongsheng Zhang and Xin-Zhou Li

Phys. Rev. D 93, 124039 – Published 15 June 2016

Abstract

An auxiliary metric (reference metric) is inevitable in massive gravity theory. In the scenario of the gauge/gravity duality, massive gravity with a singular reference metric is used to study momentum dissipation, which describes the electric and heat conductivity for normal conductors. We demonstrate in detail that the de Rham-Gabadadze-Tolley (dRGT) massive gravity with a singular reference metric is ghost free.

Received 13 December 2015

DOI:https://doi.org/10.1103/PhysRevD.93.124039

Physics Subject Headings (PhySH)

Alternative gravity theories Classical black holes Gauge-gravity dualities

Gravitation, Cosmology & Astrophysics

Authors & Affiliations

Hongsheng Zhang^1,2,3,* and Xin-Zhou Li^2,†

¹School of Physics and Technology, University of Jinan, West Road of Nan Xinzhuang, Jinan, Shandong 250022, China
²Center for Astrophysics, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, China
³State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China

^*hongsheng@shnu.edu.cn
^†kychz@shnu.edu.cn

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Vol. 93, Iss. 12 — 15 June 2016

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Physical Review D

covering particles, fields, gravitation, and cosmology