Negative Refractive Index in Hydrodynamical Systems

Abstract

We discuss the presence of exotic electromagnetic phenomena in systems with finite charge density which are described by hydrodynamics. We show that such systems generically have negative refractive index for low frequency electromagnetic waves, i.e. the energy flux and the phase velocity of the wave propagate in opposite directions. We comment on possible phenomenological applications, focusing on the Quark Gluon Plasma.

16 pages, 2 figures

References in corpus (8)

• Theory of the Nernst effect near quantum phase transitions in condensed matter, and in dyonic black holes
• D3-D7 Quark-Gluon Plasmas at Finite Baryon Density
• Transport in holographic superfluids
• Density Dependence of Transport Coefficients from Holographic Hydrodynamics
• Hydrodynamics of RN AdS${}_4$ black hole and Holographic Optics
• Holographic Optics and Negative Refractive Index
• Refractive index in holographic superconductors
• Negative Refraction and Superconductivity

Cited by in corpus (11)

• Electromagnetic properties of viscous charged fluids
• Causality, Non-Locality and Negative Refraction
• Generalized Superconductors and Holographic Optics
• Generalized Holographic Superconductors with Higher Derivative Couplings
• Electromagnetic response of strongly coupled plasmas
• Refractive index in generalized superconductors with Born-Infeld electrodynamics
• The refractive index in the viscous quark-gluon plasma
• Generalized Superconductors and Holographic Optics - II
• Bipartite Fluctuations of Critical Fermi Surfaces
• Generalized superconductors from the coupling of a scalar field to the Einstein tensor and their refractive index in massive gravity
• $U(1)$ current from the AdS/CFT: diffusion, conductivity and causality