paper

AC charge transport in holographic Horndeski gravity

arXiv:1909.00224 · doi:10.1140/epjc/s10052-019-7460-6

Abstract

In this paper, we investigate the AC charge transport in the holographic Horndeski gravity and identify a metal-semiconductor like transition that is driven by the Horndeski coupling. Moreover, we fit our numeric data by the Drude formula in slow relaxation cases.

17 pages, 7 figures