On Lorentz-invariant bispin-2 theories

Rampei Kimura, Atsushi Naruko, Daisuke Yamauchi

研究成果: Article査読

抄録

We investigate a Lorentz invariant action that is quadratic in two rank-2 symmetric tensor fields in Minkowski spacetime. We apply a scalar-vector-tensor decomposition to two tensor fields by virtue of three-dimensional rotation invariance of Minkowski spacetime and classify theories with 7 degrees of freedom based on the Hamiltonian analysis. We find two new theories, which cannot be mapped from the linearized Hassan-Rosen bigravity. In these theories, the new mass interactions can be allowed thanks to the transverse diffeomorphism invariance of action.

本文言語English
論文番号044021
ジャーナルPhysical Review D
104
4
DOI
出版ステータスPublished - 2021 8月 15
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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