TL;DR
This review explores how Berry phase-based quantum thermometers can measure temperature precisely without thermal equilibrium, reducing measurement time and enabling detection of phenomena like the Unruh effect.
Contribution
It details the use of Berry phase in quantum thermometry, highlighting advantages over traditional methods and potential applications in detecting relativistic effects.
Findings
Berry phase enables precise quantum thermometry without thermal equilibrium.
The method reduces measurement times and avoids precision limitations.
Applications include detecting the Unruh effect.
Abstract
In this review article we revisit and spell out the details of previous work on how Berry phase can be used to construct a precision quantum thermometer. An important advantage of such a scheme is that there is no need for the thermometer to acquire thermal equilibrium with the sample. This reduces measurement times and avoids precision limitations. We also review how such methods can be used to detect the Unruh effect.
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