Low-energy modes in anisotropic holographic fluids
arXiv:1808.07035 · doi:10.1016/j.nuclphysb.2019.01.018
Abstract
In this work we will study the low-energy collective behavior of spatially anisotropic dense fluids in four spacetime dimensions. We will embed a massless flavor D7-brane probe in a generic geometry which has a metric possessing anisotropy in the spatial components. We work out generic formulas of the low-energy excitation spectra and two-point functions for charged excitations at finite baryon chemical potential. In addition, we specialize to a certain Lifshitz geometry and discuss in great detail the scaling behavior of several different quantities.
33 pages, 19 figures; v2: typos fixed, one result corrected; v3: revised and published version, discussions clarified, typos fixed, radius of curvature restored
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- Holographic Schwinger Effect in Anisotropic Media