Quantum behavior of a flux qubit coupled to a resonator

Автор(и)

  • A.N. Omelyanchouk B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., 61103 Kharkov, Ukraine
  • S.N. Shevchenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., 61103 Kharkov, Ukraine
  • Ya.S. Greenberg Novosibirsk State Technical University, 20 Karl Marx Ave., Novosibirsk, 630092, Russia
  • O. Astafiev NEC Nano Electronics Research Laboratories, Tsukuba, Ibaraki, 305-8501, Japan
  • E. Il’ichev Institute of Photonic Technology, P.O. Box 100239, D-07702 Jena, Germany

DOI:

https://doi.org/10.1063/1.3515520

Ключові слова:

superconducting qubit, transmission line, resonator.

Анотація

The detailed theory for the system of a superconducting qubit coupled to the transmission line resonator is presented. We describe the system by solving analytically and numerically the master equation for the density matrix, which includes dissipative Lindblad term. We calculate the transmission coefficient, which provides the way to probe the dressed states of the qubit. The theoretical results are related to the experiment with the intermediate coupling between the qubit and the resonator, when the coupling energy is of the same order as the qubit relaxation rate.

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Опубліковано

2010-09-22

Як цитувати

(1)
Omelyanchouk, A.; Shevchenko, S.; Greenberg, Y.; Astafiev, O.; Il’ichev, E. Quantum Behavior of a Flux Qubit Coupled to a Resonator. Fiz. Nizk. Temp. 2010, 36, 1117-1127.

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