Low-energy modes in anisotropic holographic fluids
Georgios Itsios, Niko Jokela, Jarkko J\"arvel\"a, Alfonso V. Ramallo
TL;DR
This paper investigates low-energy collective excitations in anisotropic holographic fluids by analyzing a D7-brane probe in various geometries, including Lifshitz, revealing how anisotropy influences excitation spectra and scaling behaviors.
Contribution
It provides generic formulas for low-energy spectra and two-point functions in anisotropic holographic fluids, with detailed analysis in Lifshitz geometries, advancing understanding of anisotropic strongly coupled systems.
Findings
Derived generic formulas for excitation spectra and correlators.
Analyzed scaling behavior in Lifshitz geometries.
Explored effects of spatial anisotropy on low-energy modes.
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.
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