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Towards the renormalization group flow of Horava gravity in $(3+1)$ dimensions | | Andrei O. Barvinsky
; Mario Herrero-Valea
; Sergey M. Sibiryakov
; | | Date: |
9 May 2019 | | Abstract: | We compute the renormalization group running of the Newton constant and the
parameter $lambda$ in $(3+1)$-dimensional projectable Horava gravity. We use
the background field method expanding around configurations with flat spatial
metric, but non-vanishing shift. This allows us to reduce the number of
interaction vertices and thereby drastically simplify the calculations. The
gauge invariant $eta$-function of $lambda$ has two families of zeros,
attractive in the infrared and ultraviolet respectively. They are candidates
for the fixed points of the full renormalization group flow of the theory, once
the $eta$-functions for the rest of the couplings are added. | | Source: | arXiv, 1905.3798 | | Services: | Forum | Review | PDF | Favorites | |
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