Intermediate scalings for Solv, Nil and $S{L}_2(\mathcal{R})$ black branes

Abstract

In this work we will study black brane solutions that are not translationally invariant in the spatial directions along which it extends. Instead, we require homogeneity, which still allows points along the spatial directions to be related to each other by symmetries. We find Einstein-Maxwell black hole solutions whose near horizon geometry correspond to Solv (Bianchi $V{1}_{-1}$), Nil (Bianchi $II$) or $S{L}_2(\mathcal{R})$ (Bianchi $VIII$). Interestingly we observe that at intermediate temperatures our solutions have an scaling regime where different spacetime directions scale differently. We also compute the DC conductivities for these charged solutions and study how they scale in this intermediate regime.

19 pages, 12 figures, v2: minor changes

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Cited by in corpus (2)

• Towards holographic flat bands
• Spatially homogeneous black hole solutions in $z=4$ Hořava-Lifshitz gravity in $(4+1)$ dimensions with Nil geometry and $H^2\times R$ horizons