Отправить статью по E-mail Entanglement and Mixedness of a Superconducting Qubit Coupled to an Open Superconducting Cavity
- Авторы: Mohamed A.A.1,2, Eleuch H.3,4
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Учреждения:
- College of Science and Humanities, Prince Sattam Bin Abdulaziz University
- Faculty of Science, Assiut University
- Department of Physics, McGill University
- Institute for Quantum Science and Engineering Texas A&M University College Station
- Выпуск: Том 37, № 4 (2016)
- Страницы: 353-360
- Раздел: Article
- URL: https://journals.rcsi.science/1071-2836/article/view/247909
- DOI: https://doi.org/10.1007/s10946-016-9582-8
- ID: 247909
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Аннотация
We investigate entanglement and mixedness of a superconducting qubit coupled to the damped cavity field. We introduce a new measure for the mixedness and find that the phase damping of the cavity leads to simultaneous long-death of the entropy squeezing, the purity of the qubit states, and the entanglement of the field–qubit system.
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A.-B. Mohamed
College of Science and Humanities, Prince Sattam Bin Abdulaziz University; Faculty of Science, Assiut University
Автор, ответственный за переписку.
Email: abdelbastm@yahoo.com
Саудовская Аравия, Al-Aflaj; Assiut
H. Eleuch
Department of Physics, McGill University; Institute for Quantum Science and Engineering Texas A&M University College Station
Email: abdelbastm@yahoo.com
Канада, Montreal, H3A 2T8; Texas, 77843
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