A massive graviton in topologically new massive gravity
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
TL;DR
This paper explores the properties of topologically new massive gravity in three dimensions, revealing a single propagating massive mode in flat spacetime and discussing its relation to the BMS/GCA correspondence.
Contribution
It demonstrates the existence of a single massive propagating mode in flat spacetime within topologically new massive gravity, contrasting with conformal Chern-Simons gravity, and explores the BMS/GCA correspondence.
Findings
Single massive mode propagates in flat spacetime.
Contrasts with conformal Chern-Simons gravity which has no propagating degrees.
Discusses realization of BMS/GCA correspondence.
Abstract
We investigate the topologically new massive gravity in three dimensions. It turns out that a single massive mode is propagating in the flat spacetime, comparing to the conformal Chern-Simons gravity which has no physically propagating degrees of freedom. Also we discuss the realization of the BMS/GCA correspondence.
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