Surface plasmon toy-model of a rotating black hole

TL;DR

This paper extends a surface plasmon toy black hole model to emulate a rotating black hole by using optically active liquid droplets on metal surfaces, which exhibit giant optical activity near resonance.

Contribution

It introduces a novel extension of the surface plasmon toy black hole model to simulate Kerr black holes using optically active droplets.

Findings

Droplets support surface plasmon propagation

Giant optical activity observed near resonance

Model emulates rotating black hole properties

Abstract

Recently introduced surface plasmon toy black hole model has been extended in order to emulate a rotating black hole (Kerr metric). Physical realization of this model involves a droplet of an optically active liquid on the metal surface which supports propagation of surface plasmons. Such droplets are shown to exhibit giant optical activity in the frequency range near the surface plasmon resonance of a metal-liquid interface.