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arxiv: 1112.3530 · v2 · submitted 2011-12-15 · 🪐 quant-ph · cond-mat.stat-mech

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Berry Phase Quantum Thermometer

E. Martin-Martinez , A. Dragan , R. B. Mann , I. Fuentes
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classification 🪐 quant-ph cond-mat.stat-mech
keywords thermometerberryphaseprecisionquantumacquireadvantageavoids
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We show how Berry phase can be used to construct an ultra-high precision quantum thermometer. An important advantage of our 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.

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Cited by 1 Pith paper

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  1. Probing Unruh Effect from Enhanced Decoherence

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    Decoherence rate of an Unruh-DeWitt detector scales as a^{2Δ-1} in the long-time limit, increasing with the scaling dimension Δ of the coupled field and offering a more sensitive probe of the Unruh effect.