Vanishing Geometric Discord in Non-Inertial Frames

TL;DR

This paper demonstrates that geometric discord, a measure of quantum correlations, vanishes in non-inertial frames at infinite acceleration, challenging previous assumptions about the persistence of quantum correlations under extreme acceleration.

Contribution

It provides a simple calculation showing the decay of geometric discord to zero in the infinite acceleration limit, highlighting the fragility of quantum correlations in non-inertial frames.

Findings

Geometric discord decays to zero at infinite acceleration

Quantum correlations are less persistent in non-inertial frames than previously thought

Results contrast with earlier studies suggesting residual discord at high acceleration

Abstract

We show that quantum field correlations in non-inertial frames are not as persistent as previously thought. We perform a simple calculation showing that the geometric discord, a measure of quantum correlations, does decay to zero in the infinite acceleration limit. This result is seen to be a natural and expected consequence of considering correlations in an infinite dimensional system, and it sheds doubt on the existence of useable quantum correlations in this regime. We contrast our results with previous research showing that the acceleration-induced degradation of quantum discord was not strong enough to extinguish discord in the large acceleration limit.