Current responses and voltage fluctuations in Josephson-junction systems

M. S. Choi; M. Y. Choi; S. I. Lee

doi:10.1209/epl/i1998-00378-5

Current responses and voltage fluctuations in Josephson-junction systems

M. S. Choi, M. Y. Choi, S. I. Lee

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We consider arrays of Josephson junctions as well as single junctions in both the classical and quantum-mechanical regimes, and examine the generalized (frequency-dependent) resistance, which describes the dynamic responses of such Josephson-junction systems to external currents. It is shown that the generalized resistance and the power spectrum of voltage fluctuations are related via the fluctuation-dissipation theorem. Implications of the obtained relations are also discussed in various experimental situations.

Original language	English
Pages (from-to)	439-444
Number of pages	6
Journal	Europhysics Letters
Volume	43
Issue number	4
DOIs	https://doi.org/10.1209/epl/i1998-00378-5
Publication status	Published - 1998 Aug 15
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1209/epl/i1998-00378-5

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title = "Current responses and voltage fluctuations in Josephson-junction systems",

abstract = "We consider arrays of Josephson junctions as well as single junctions in both the classical and quantum-mechanical regimes, and examine the generalized (frequency-dependent) resistance, which describes the dynamic responses of such Josephson-junction systems to external currents. It is shown that the generalized resistance and the power spectrum of voltage fluctuations are related via the fluctuation-dissipation theorem. Implications of the obtained relations are also discussed in various experimental situations.",

author = "Choi, {M. S.} and Choi, {M. Y.} and Lee, {S. I.}",

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AU - Choi, M. S.

AU - Choi, M. Y.

AU - Lee, S. I.

PY - 1998/8/15

Y1 - 1998/8/15

N2 - We consider arrays of Josephson junctions as well as single junctions in both the classical and quantum-mechanical regimes, and examine the generalized (frequency-dependent) resistance, which describes the dynamic responses of such Josephson-junction systems to external currents. It is shown that the generalized resistance and the power spectrum of voltage fluctuations are related via the fluctuation-dissipation theorem. Implications of the obtained relations are also discussed in various experimental situations.

AB - We consider arrays of Josephson junctions as well as single junctions in both the classical and quantum-mechanical regimes, and examine the generalized (frequency-dependent) resistance, which describes the dynamic responses of such Josephson-junction systems to external currents. It is shown that the generalized resistance and the power spectrum of voltage fluctuations are related via the fluctuation-dissipation theorem. Implications of the obtained relations are also discussed in various experimental situations.

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DO - 10.1209/epl/i1998-00378-5

M3 - Article

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VL - 43

SP - 439

EP - 444

JO - Europhysics Letters

JF - Europhysics Letters

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Current responses and voltage fluctuations in Josephson-junction systems

Abstract

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