Superconducting charge qubits: The roles of self and mutual inductances
نویسندگان
چکیده
منابع مشابه
Spectroscopy of superconducting charge qubits coupled by a Josephson inductance
T. Yamamoto,1,2 M. Watanabe,2 J. Q. You,2,3 Yu. A. Pashkin,1,2,* O. Astafiev,1,2 Y. Nakamura,1,2 F. Nori,2,4 and J. S. Tsai1,2 1NEC Nano Electronics Research Laboratories, Tsukuba, Ibaraki 305-8501, Japan 2Frontier Research System, The Institute of Physical and Chemical Research (RIKEN), Wako-shi, Saitama 351-0198, Japan 3Department of Physics and Surface Physics Laboratory (National Key Labora...
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Circuit theory for decoherence in superconducting charge qubits
Based on a network graph analysis of the underlying circuit, a quantum theory of arbitrary superconducting charge qubits is derived. Describing the dissipative elements of the circuit with a Caldeira-Leggett model, we calculate the decoherence and leakage rates of a charge qubit. The analysis includes decoherence due to a dissipative circuit element such as a voltage source or the quasiparticle...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2001
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.63.180501