Entropy Dynamics in the System of Interacting Qubits
N S Kirsanov
1
,
A.V. LEBEDEV
1, 2
,
M. V. Suslov
1
,
V.M. VINOKUR
3
,
G. BLATTER
2
,
G.B. Lesovik
1
2
Institut für theoretische Physik, Zürich, Switzerland
|
Publication type: Journal Article
Publication date: 2018-03-01
scimago Q3
wos Q4
SJR: 0.202
CiteScore: 1.7
Impact factor: 0.8
ISSN: 10712836, 15738760
Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Abstract
The classical second law of thermodynamics demands that an isolated system evolves with a nondiminishing entropy. This holds as well in quantum mechanics if the evolution of the energy-isolated system can be described by a unital quantum channel. At the same time, the entropy of a system evolving via a nonunital channel can, in principle, decrease. Here, we analyze the behavior of entropy in the context of the H-theorem. As exemplary phenomena, we discuss the action of a Maxwell demon (MD) operating a qubit and the processes of heating and cooling in a two-qubit system. Further we discuss how small initial correlations between a quantum system and a reservoir affect the entropy increase during the quantum-system evolution.
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Total citations:
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Citations from 2024:
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GOST
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Kirsanov N. S. et al. Entropy Dynamics in the System of Interacting Qubits // Journal of Russian Laser Research. 2018. Vol. 39. No. 2. pp. 120-127.
GOST all authors (up to 50)
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Kirsanov N. S., LEBEDEV A., Suslov M. V., VINOKUR V., BLATTER G., Lesovik G. Entropy Dynamics in the System of Interacting Qubits // Journal of Russian Laser Research. 2018. Vol. 39. No. 2. pp. 120-127.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1007/s10946-018-9698-0
UR - https://doi.org/10.1007/s10946-018-9698-0
TI - Entropy Dynamics in the System of Interacting Qubits
T2 - Journal of Russian Laser Research
AU - Kirsanov, N S
AU - LEBEDEV, A.V.
AU - Suslov, M. V.
AU - VINOKUR, V.M.
AU - BLATTER, G.
AU - Lesovik, G.B.
PY - 2018
DA - 2018/03/01
PB - Springer Nature
SP - 120-127
IS - 2
VL - 39
SN - 1071-2836
SN - 1573-8760
ER -
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BibTex (up to 50 authors)
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@article{2018_Kirsanov,
author = {N S Kirsanov and A.V. LEBEDEV and M. V. Suslov and V.M. VINOKUR and G. BLATTER and G.B. Lesovik},
title = {Entropy Dynamics in the System of Interacting Qubits},
journal = {Journal of Russian Laser Research},
year = {2018},
volume = {39},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1007/s10946-018-9698-0},
number = {2},
pages = {120--127},
doi = {10.1007/s10946-018-9698-0}
}
Cite this
MLA
Copy
Kirsanov, N. S., et al. “Entropy Dynamics in the System of Interacting Qubits.” Journal of Russian Laser Research, vol. 39, no. 2, Mar. 2018, pp. 120-127. https://doi.org/10.1007/s10946-018-9698-0.
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