Energetics of an rf SQUID Coupled to Two Thermal Reservoirs
Abstract
We study energetics of a Josephson tunnel junction connecting a superconducting loop pierced by an external magnetic flux (an rf SQUID) and coupled to two independent thermal reservoirs of different temperature. In the framework of the theory of quantum dissipative systems, we analyze energy currents in stationary states. The stationary energy flow can be periodically modulated by the external magnetic flux exemplifying the rf SQUID as a quantum heat interferometer. Additionally, we consider the transient regime and identify three distinct regimes: monotonic decay, damped oscillations and pulse-type behavior of energy currents. Furthermore, the first two regimes can be controlled by the external magnetic flux while the last regime is robust against its variation.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Univ. of Silesia (Poland)
- Polish Academy of Science, Krakow (Poland)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1236068
- Report Number(s):
- LA-UR-15-29098
Journal ID: ISSN 1932-6203
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- PLoS ONE
- Additional Journal Information:
- Journal Volume: 10; Journal Issue: 12; Journal ID: ISSN 1932-6203
- Publisher:
- Public Library of Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; squid; heat flow; Josephson junction
Citation Formats
Gardas, B., Łuczka, J., Ptok, A., and Dajka, J. Energetics of an rf SQUID Coupled to Two Thermal Reservoirs. United States: N. p., 2015.
Web. doi:10.1371/journal.pone.0143912.
Gardas, B., Łuczka, J., Ptok, A., & Dajka, J. Energetics of an rf SQUID Coupled to Two Thermal Reservoirs. United States. https://doi.org/10.1371/journal.pone.0143912
Gardas, B., Łuczka, J., Ptok, A., and Dajka, J. Mon .
"Energetics of an rf SQUID Coupled to Two Thermal Reservoirs". United States. https://doi.org/10.1371/journal.pone.0143912. https://www.osti.gov/servlets/purl/1236068.
@article{osti_1236068,
title = {Energetics of an rf SQUID Coupled to Two Thermal Reservoirs},
author = {Gardas, B. and Łuczka, J. and Ptok, A. and Dajka, J.},
abstractNote = {We study energetics of a Josephson tunnel junction connecting a superconducting loop pierced by an external magnetic flux (an rf SQUID) and coupled to two independent thermal reservoirs of different temperature. In the framework of the theory of quantum dissipative systems, we analyze energy currents in stationary states. The stationary energy flow can be periodically modulated by the external magnetic flux exemplifying the rf SQUID as a quantum heat interferometer. Additionally, we consider the transient regime and identify three distinct regimes: monotonic decay, damped oscillations and pulse-type behavior of energy currents. Furthermore, the first two regimes can be controlled by the external magnetic flux while the last regime is robust against its variation.},
doi = {10.1371/journal.pone.0143912},
journal = {PLoS ONE},
number = 12,
volume = 10,
place = {United States},
year = {Mon Dec 07 00:00:00 EST 2015},
month = {Mon Dec 07 00:00:00 EST 2015}
}
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