Dual Josephson Phenomena: Interaction of Vortices with Non-Classical Microwaves View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2001

AUTHORS

A. Vourdas , A. Konstadopoulou , J. M. Hollingworth

ABSTRACT

A ring made from a Josephson array in the insulating phase and a weak link (eg a constriction) is considered. The center of the ring is fed by a current I(t) and contains a time-dependent charge Q(t). Vortices circulate the ring and tunnel through the weak link. At frequencies where ħω > > KBT the quantum nature of the electromagnetic field is taken into account. A two-mode Hamiltonian is studied which describes quantum mechanically both the ring and the electromagnetic field. The sinusoidal non-linearity in this Hamiltonian leads to interesting quantum phenomena like entanglement between the ring and the electromagnetic field, squeezing of the elctromagnetic field, etc. The use of such non- linear devices as amplifiers and frequency converters of non-classical microwaves is discussed. More... »

PAGES

245-252

Book

TITLE

Macroscopic Quantum Coherence and Quantum Computing

ISBN

978-1-4613-5459-8
978-1-4615-1245-5

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-1-4615-1245-5_25

DOI

http://dx.doi.org/10.1007/978-1-4615-1245-5_25

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1002870724


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