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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Vortices in Josephson arrays interacting with non-classical microwaves: The effect of dissipation.

Konstadopoulou, Anastasia, Hollingworth, J.M., Everitt, M., Vourdas, Apostolos, Clark, T.D., Ralph, J.F. January 2003 (has links)
No / Vortices circulating in a ring made from a Josephson array in the insulating phase are studied. The ring contains a `dual Josephson junction' through which the vortices tunnel. External non-classical microwaves are coupled to the device. The time evolution of this two-mode fully quantum mechanical system is studied, taking into account the dissipation in the system. The effect of the quantum statistics of the photons on the quantum statistics of the vortices is discussed. Entropic calculations quantify the entanglement between the two systems. Quantum phenomena in the system are also studied through Wigner functions. After a certain time (which depends on the dissipation parameters) these quantum phenomena are destroyed due to dissipation.
Tunneling phenomena
SQUIDs
Josephson effects
Vortices
Wigner function
Quantum noise
Quantum statistics theory
Tunnel effect
Quantum theory
Microwave radiation

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