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Extracting quantum work statistics and fluctuation theorems by single-qubit interferometry.

Abstract:

We propose an experimental scheme to verify the quantum nonequilibrium fluctuation relations using current technology. Specifically, we show that the characteristic function of the work distribution for a nonequilibrium quench of a general quantum system can be extracted by Ramsey interferometry of a single probe qubit. Our scheme paves the way for the full characterization of nonequilibrium processes in a variety of quantum systems, ranging from single particles to many-body atomic systems a...

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Publication status:
Published

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Journal:
Physical review letters
Volume:
110
Issue:
23
Pages:
230601
Publication date:
2013-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:0db90729-6b4a-4c9c-afd5-02f1d3d91c66
Source identifiers:
406247
Local pid:
pubs:406247
Language:
English

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