Presentation 1997/11/20
Analytical Expressions for the Flux-Dependent I-V Characteristics of DC Superconducting Quantum Interference Device
E. Maruyama, S. Kuriki, M. Matsuda, Y. Kurisu,
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Abstract(in English) In order to have insight to the flux dependence of the I-V characteristics of dc SQUIDs, which have variety of configurations that may be expressed with the equivalent circuit composed of single inductance to complex impedance, we have studied analytical expressions for the voltage of the Josephson junctions of the SQUID. Assuming sinusoidal oscillating currents of the junctions for the simplification and easy-computation and using four-terminal transmission function of the SQUID impedance, the junction voltage was calculated analytically for different flux values, from which the I-V characteristics at 0 K and at finite temperatures with thermal noise were obtained. The results were in reasonable agreement with those calculated with a numerical method solving non-linear differential equations. The present method may be helpful in estimating the behavior of high-Tc SQUIDs which have strong resonance due to large parasitic capacitance and operate under high flux fluctuation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) dc SQUID / high-Tc / characteristics of resonance / simulations
Paper # SCE97-32
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Committee SCE
Conference Date 1997/11/20(1days)
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Registration To Superconductive Electronics (SCE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Analytical Expressions for the Flux-Dependent I-V Characteristics of DC Superconducting Quantum Interference Device
Sub Title (in English)
Keyword(1) dc SQUID
Keyword(2) high-Tc
Keyword(3) characteristics of resonance
Keyword(4) simulations
1st Author's Name E. Maruyama
1st Author's Affiliation Research Institute for Electronic Science, Hokkaido University()
2nd Author's Name S. Kuriki
2nd Author's Affiliation Research Institute for Electronic Science, Hokkaido University
3rd Author's Name M. Matsuda
3rd Author's Affiliation Muroran Institute of Technology
4th Author's Name Y. Kurisu
4th Author's Affiliation Muroran Institute of Technology
Date 1997/11/20
Paper # SCE97-32
Volume (vol) vol.97
Number (no) 383
Page pp.pp.-
#Pages 5
Date of Issue