147 citations · 935 across the 36 of their papers we have counts for
3 papers · 1 filter
Hořava gravity is asymptotically free (in 2+1 dimensions)
Andrei O. Barvinsky, Diego Blas, Mario Herrero-Valea +2
We compute the -functions of marginal couplings in projectable Hořava gravity in spacetime dimensions. We show that the renormalization group flow has an asymptotically-fr…
Renormalization of gauge theories in the background-field approach
Andrei O. Barvinsky, Diego Blas, Mario Herrero-Valea +2
Using the background-field method we demonstrate the Becchi-Rouet-Stora-Tyutin (BRST) structure of counterterms in a broad class of gauge theories. Put simply, we show that gauge i…
Heat kernel methods for Lifshitz theories
Andrei O. Barvinsky, Diego Blas, Mario Herrero-Valea +3
We study the one-loop covariant effective action of Lifshitz theories using the heat kernel technique. The characteristic feature of Lifshitz theories is an anisotropic scaling bet…