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gr-qc2019★ 51 cited
Spatially covariant gravity theories with two tensorial degrees of freedom: the formalism
Xian Gao, Zhi-Bang Yao
Within the general framework of spatially covariant theories of gravity, we study the conditions for having only the two tensorial degrees of freedom. Generally, there are three de…
gr-qc2019★ 26 cited
Spatially covariant gravity: Perturbative analysis and field transformations
Xian Gao, Chao Kang, Zhi-Bang Yao
We make a perturbative analysis of the number of degrees of freedom in a large class of metric theories respecting spatial symmetries, of which the Lagrangian includes kinetic term…