Fluctuation theorem and microreversibility in a quantum coherent conductor

Shuji Nakamura; Yoshiaki Yamauchi; Masayuki Hashisaka; Kensaku Chida; Kensuke Kobayashi; Teruo Ono; Renaud Leturcq; Klaus Ensslin; Keiji Saito; Yasuhiro Utsumi; Arthur C. Gossard

doi:10.1103/PhysRevB.83.155431

Fluctuation theorem and microreversibility in a quantum coherent conductor

Shuji Nakamura, Yoshiaki Yamauchi, Masayuki Hashisaka, Kensaku Chida, Kensuke Kobayashi, Teruo Ono, Renaud Leturcq, Klaus Ensslin, Keiji Saito, Yasuhiro Utsumi, Arthur C. Gossard

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

Mesoscopic systems provide us a unique experimental stage to address nonequilibrium quantum statistical physics. By using a simple tunneling model, we describe the electron exchange process via a quantum coherent conductor between two reservoirs, which yields the fluctuation theorem (FT) in mesoscopic transport. We experimentally show that such a treatment is semiquantitatively validated in the current and noise measurement in an Aharonov-Bohm ring. The experimental proof of the microreversibility assumed in the derivation of FT is presented.

Original language	English
Article number	155431
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	83
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.83.155431
Publication status	Published - 2011 Apr 18
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.83.155431

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AU - Nakamura, Shuji

AU - Yamauchi, Yoshiaki

AU - Hashisaka, Masayuki

AU - Chida, Kensaku

AU - Kobayashi, Kensuke

AU - Ono, Teruo

AU - Leturcq, Renaud

AU - Ensslin, Klaus

AU - Saito, Keiji

AU - Utsumi, Yasuhiro

AU - Gossard, Arthur C.

PY - 2011/4/18

Y1 - 2011/4/18

N2 - Mesoscopic systems provide us a unique experimental stage to address nonequilibrium quantum statistical physics. By using a simple tunneling model, we describe the electron exchange process via a quantum coherent conductor between two reservoirs, which yields the fluctuation theorem (FT) in mesoscopic transport. We experimentally show that such a treatment is semiquantitatively validated in the current and noise measurement in an Aharonov-Bohm ring. The experimental proof of the microreversibility assumed in the derivation of FT is presented.

AB - Mesoscopic systems provide us a unique experimental stage to address nonequilibrium quantum statistical physics. By using a simple tunneling model, we describe the electron exchange process via a quantum coherent conductor between two reservoirs, which yields the fluctuation theorem (FT) in mesoscopic transport. We experimentally show that such a treatment is semiquantitatively validated in the current and noise measurement in an Aharonov-Bohm ring. The experimental proof of the microreversibility assumed in the derivation of FT is presented.

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Fluctuation theorem and microreversibility in a quantum coherent conductor

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