Open Access
Physical Review B, volume 98, issue 21, publication number 214502
Extended quantum Maxwell demon acting over macroscopic distances
Publication type: Journal Article
Publication date: 2018-12-04
Journal:
Physical Review B
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
A quantum Maxwell demon is a device that can lower the entropy of a quantum system by providing it with purity. The functionality of such a quantum demon is rooted in a quantum mechanical SWAP operation exchanging mixed and pure states. We describe the setup and performance of a quantum Maxwell demon that purifies an energy-isolated system from a distance. Our cQED-based design involves two transmon qubits, where the mixed-state target qubit is purified by a pure-state demon qubit connected via an off-resonant transmission line; this configuration naturally generates an iSWAP gate. Although less powerful than a full SWAP gate, we show that assuming present-day performance characteristics of a cQED implementation, such an extended quantum Maxwell demon can purify the target qubit over macroscopic distances on the order of meters and tolerates elevated temperatures of the order of a few Kelvin in the transmission line.
Citations by journals
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1
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Physical Review A
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Physical Review A
1 publication, 12.5%
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Physical Review Applied
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Physical Review Applied
1 publication, 12.5%
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Integrative Psychological and Behavioral Science
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1 publication, 12.5%
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Reports on Progress in Physics
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Reports on Progress in Physics
1 publication, 12.5%
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Acta Physica Sinica
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Acta Physica Sinica
1 publication, 12.5%
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Physical Review B
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Physical Review B
1 publication, 12.5%
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1
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Citations by publishers
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1
2
3
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American Physical Society (APS)
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American Physical Society (APS)
3 publications, 37.5%
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Springer Nature
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Springer Nature
1 publication, 12.5%
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IOP Publishing
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IOP Publishing
1 publication, 12.5%
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Chinese Physical Society
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Chinese Physical Society
1 publication, 12.5%
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1
2
3
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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LEBEDEV A. et al. Extended quantum Maxwell demon acting over macroscopic distances // Physical Review B. 2018. Vol. 98. No. 21. 214502
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LEBEDEV A., Lesovik G., VINOKUR V., Vinokur V., BLATTER G. Extended quantum Maxwell demon acting over macroscopic distances // Physical Review B. 2018. Vol. 98. No. 21. 214502
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TY - JOUR
DO - 10.1103/PhysRevB.98.214502
UR - https://doi.org/10.1103%2FPhysRevB.98.214502
TI - Extended quantum Maxwell demon acting over macroscopic distances
T2 - Physical Review B
AU - LEBEDEV, A.V.
AU - Lesovik, G.B.
AU - VINOKUR, V.M.
AU - BLATTER, G.
AU - Vinokur, Valerii
PY - 2018
DA - 2018/12/04 00:00:00
PB - American Physical Society (APS)
IS - 21
VL - 98
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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@article{2018_LEBEDEV,
author = {A.V. LEBEDEV and G.B. Lesovik and V.M. VINOKUR and G. BLATTER and Valerii Vinokur},
title = {Extended quantum Maxwell demon acting over macroscopic distances},
journal = {Physical Review B},
year = {2018},
volume = {98},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103%2FPhysRevB.98.214502},
number = {21},
doi = {10.1103/PhysRevB.98.214502}
}
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