Information entropy of multi-photon field interacting with single-qubit circuit

We study the interaction of the single-Cooper pairbox interacting with a cavity field. The solution of the system dynamics is obtained. The entropy as a measure of the entanglement between the qubit and the field is calculated and compared with the field purity. It is shown that the general behavior...

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Main Authors: Kadry, H., Cheong, L.Y., Zakaria, N.
Format: Conference or Workshop Item
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.32472 /
Published: 2013
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84891061657&doi=10.1109%2fICSEngT.2013.6650167&partnerID=40&md5=99c2c68ebc535a6240829d3077c8e686
http://eprints.utp.edu.my/32472/
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Summary: We study the interaction of the single-Cooper pairbox interacting with a cavity field. The solution of the system dynamics is obtained. The entropy as a measure of the entanglement between the qubit and the field is calculated and compared with the field purity. It is shown that the general behavior of the entropy as well as the field purity is affected in the same way under different values of the system parameters. © 2013 IEEE.