Using Berry's phase to detect the Unruh effect at lower accelerations

Details Using Berry's phase to detect the Unruh effect at lower accelerations Using Berry's phase to detect the Unruh effect at lower accelerations

2010-12-10

arxiv.org/abs/1012.2208v2

Physical Review Letters 107, 131301 (2011)

Physics

Quantum Physics

5 pages (including appendices) 2 figures, revtex 4. I.F. previously published as Fuentes-Guridi and Fuentes-Schuller. Journal

Scientific paper

10.1103/PhysRevLett.107.131301

We show that a detector acquires a Berry phase due to its motion in spacetime. The phase is different in the inertial and accelerated case as a direct consequence of the Unruh effect. We exploit this fact to design a novel method to measure the Unruh effect. Surprisingly, the effect is detectable for accelerations 10^9 times smaller than previous proposals sustained only for times of nanoseconds.

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