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One-loop renormalization in a toy model of Horava-Lifshitz gravity · Around

2013

One-loop renormalization in a toy model of Horava-Lifshitz gravity

Benedetti, Dario, Guarnieri, Filippo

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We present a one loop calculation in the context of Horava-Lifshitz gravity.

Due to the complexity of the calculation in the full theory we focus here on the study of a toy model, namely the conformal reduction of the z=2 projectable theory in 2+1 dimensions.
For this value of the dimension there are no gravitons, hence the conformal mode is the only physical degree of freedom, and thus we expect our toy model to lead to qualitatively correct answers regarding the perturbative renormalization of the full theory.
We find that Newton's constant (dimensionless in Horava-Lifshitz gravity) is asymptotically free.

Built on

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