Article (Scientific journals)
Dynamical Casimir cooling in circuit QED systems
Kadijani, Sadeq S.; Del Grosso, Nicolás; SCHMIDT, Thomas et al.
2024In Physical Review. B, 109 (24)
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Keywords :
Casimir; Cavity mode; Cooling effects; Dynamical Casimir effect; Three-body interaction; Transmission-line; Electronic, Optical and Magnetic Materials; Condensed Matter Physics
Abstract :
[en] A transmission line coupled to an externally driven superconducting quantum interference device (SQUID) can exhibit the dynamical Casimir effect. Employing this setup, we quantize the SQUID degrees of freedom and show that it gives rise to a three-body interaction Hamiltonian with the cavity modes. By considering only two interacting modes from the cavities we show that the device can function as an autonomous cooler where the SQUID can be used as a work source to cool down the cavity modes. Moreover, this setup allows for coupling to all modes existing inside the cavities, and we show that by adding two other extra modes to the interaction with the SQUID the cooling effect can be enhanced.
Disciplines :
Physics
Author, co-author :
Kadijani, Sadeq S. ;  Department of Physics and Materials Science, University of Luxembourg, Luxembourg, Luxembourg
Del Grosso, Nicolás ;  Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Física, Buenos Aires, Argentina ; CONICET - Universidad de Buenos Aires, Instituto de Física de Buenos Aires (IFIBA), Buenos Aires, Argentina
SCHMIDT, Thomas ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
Farias, M. Belén;  Department of Physics and Materials Science, University of Luxembourg, Luxembourg, Luxembourg
External co-authors :
yes
Language :
English
Title :
Dynamical Casimir cooling in circuit QED systems
Publication date :
15 June 2024
Journal title :
Physical Review. B
ISSN :
2469-9950
eISSN :
2469-9969
Publisher :
American Physical Society
Volume :
109
Issue :
24
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fonds National de la Recherche Luxembourg
Agencia Nacional de Promoción Científica y Tecnológica
Consejo Nacional de Investigaciones Científicas y Técnicas
Universidad de Buenos Aires
Funding text :
The authors would like to thank J. N. Freitas for helpful discussions, and acknowledge financial support from the National Research Fund Luxembourg under Grants No. C20/MS/14757511/OpenTop and No. C18/MS/12704391/QUTHERM, the Agencia Nacional de Promoci\u00F3n Cient\u00EDfica y Tecnol\u00F3gica (ANPCyT), Consejo Nacional de Investigaciones Cient\u00EDficas y T\u00E9cnicas (CONICET), and Universidad de Buenos Aires (UBA).
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