Polarizations of gravitational waves in Horndeski theory

Abstract We analyze the polarization content of gravitational waves in Horndeski theory. Besides the familiar plus and cross polarizations in Einstein’s General Relativity, there is one more polarization state which is the mixture of the transverse breathing and longitudinal polarizations. The addit...

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Bibliographic Details
Main Authors: Shaoqi Hou, Yungui Gong, Yunqi Liu
Format: Article
Language:English
Published: SpringerOpen 2018-05-01
Series:European Physical Journal C: Particles and Fields
Online Access:http://link.springer.com/article/10.1140/epjc/s10052-018-5869-y