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Quantum statistics and entanglement of two electromagnetic field modes coupled via a SQUID ring
journal contribution
posted on 2023-06-07, 20:35 authored by M J Everitt, T D Clark, P Stiffell, H Prance, Robert Prance, A Vourdas, J F RalphIn this paper we investigate the behaviour of a fully quantum mechanical system consisting of a mesoscopic SQUID ring coupled to one or two electromagnetic field modes. We show that we can use a static magnetic flux threading the SQUID ring to control the transfer of energy, the entanglement and the statistical properties of the fields coupled to the ring. We also demonstrate that at, and around, certain values of static flux the effective coupling between the components of the system is large. The position of these regions in static flux is dependent on the energy level structure of the ring and the relative field mode frequencies, In these regions we find that the entanglement of states in the coupled system, and the energy transfer between its components, is strong.
History
Publication status
- Published
Journal
Physical Review BISSN
1098-0121External DOI
Issue
18Volume
64Page range
184517-184529Pages
23.0Department affiliated with
- Engineering and Design Publications
Notes
Theory paper so theory members of group as first 3 authors. My input is through experiments which support theory.Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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