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Trapped Ion Quantum Computing Quantum Thermodynamics

Measuring work and heat in ultracold quantum gases

arXiv

Authors: G. De Chiara, A. J. Roncaglia, J. P. Paz

Year

2014

Paper ID

45814

Status

Preprint

Abstract Read

~2 min

Abstract Words

112

Citations

N/A

Abstract

We propose a feasible experimental scheme to direct measure heat and work in cold atomic setups. The method is based on a recent proposal which shows that work is a positive operator valued measure (POVM). In the present contribution, we demonstrate that the interaction between the atoms and the light polarisation of a probe laser allows us to implement such POVM. In this way the work done on or extracted from the atoms after a given process is encoded in the light quadrature that can be measured with a standard homodyne detection. The protocol allows one to verify fluctuation theorems and study properties of the non-unitary dynamics of a given thermodynamic process.

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This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
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We propose a feasible experimental scheme to direct measure heat and work in cold atomic setups.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1412.6116 [2] arXiv https://arxiv.org/abs/1412.6116 [3] Publisher https://arxiv.org/abs/1412.6116

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