Chiral gravitational waves from z=2 Hořava-Lifshitz gravity

We construct the chiral gravitational waves from the z = 2 Hořava–Lifshitz gravity with gravitational Chern–Simons term in the de Sitter and Minkowski backgrounds. These gravitational waves which show a feature of the Hořava–Lifshitz gravity may be related to the generalized uncertainty principle. In addition, we find the classical and quantum IR–UV transition rules in the z = 2 Hořava–Lifshitz gravity.

Note:

14 pages, version to appear in PLB

gravitation: Horava-Lifshitz
gravitational radiation
generalized uncertainty principle
Chern-Simons term
space-time: Minkowski
space-time: de Sitter
quantum gravity
Friedman model
Robertson-Walker
propagator

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