Geometric phase assisted enhancement of non-inertial cavity-QED effects

TL;DR

This paper explores how the geometric phase can enhance the detection of non-inertial quantum effects in cavity QED systems, enabling experimental observation at feasible accelerations.

Contribution

It demonstrates that the geometric phase response in a rotating cavity detector can amplify non-inertial effects, making them more detectable in experiments.

Findings

Geometric phase can be used to detect non-inertial quantum effects.

Detectable geometric phase appears at accelerations around 10^7 m/s^2.

The cavity setup isolates and enhances non-inertial contributions.

Abstract

The state of a quantum system acquires a phase factor, called the geometric phase, when taken around a closed trajectory in the parameter space, which depends only on the geometry of the parameter space. Due to its sensitive nature, the geometric phase is instrumental in capturing weak effects such as the acceleration-induced non-inertial quantum field theoretic effects. In this paper, we study the geometric phase response of a circularly rotating detector inside an electromagnetic cavity. Using the cavity, the non-inertial contribution to the geometric phase can be isolated from or strengthened relative to the inertial contribution. We show that the accumulative nature of the geometric phase may facilitate the experimental observation of the resulting, otherwise feeble, non-inertial contribution to the modified field correlations inside the cavity. Specifically, we show that the atom acquires an experimentally detectable geometric phase at accelerations of the order of $\sim 10^{7}$ m/s$^2$ which is experimentally feasible.