dc SQUID Microwave-Induced Characteristics and Magnetic Field Response, Derived Using the Stewart-McCumber Model

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概要

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• This paper describes the I-V characteristics (as a function of applied magnetic field) and magnetic field response of a dc SQUID which incorporates two weak-link Josephson junctions in a superconducting ring. These characteristics are de-rived by digital computer simulation, using the Stewart-McCumber model. The effects of asymmetry (dissimilarity between the junctions) on SQUID critical current I_c, normal resistance R and capacitance C are also simulated. With microwave excitation applied, the Josephson oscillations of the dc SQUID are found to be "frequency-locked" to the applied microwave signal even when critical currents I_c of the two junctions differed, Subharmonic voltage steps are obtained for a symmetric dc SQUID in a magnetic field even when the current-phase relationship is purely sinusoidal.

• 社団法人応用物理学会の論文
• 1985-04-20

著者

• NAITO Seiichi

  Yokogawa Electric Corporation

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• dc SQUID Microwave-Induced Characteristics and Magnetic Field Response, Derived Using the Stewart-McCumber Model
• Observation of the Josephson Effect in Y-Ba-Cu-O Compound

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