Measurement of the magnetic field dependence of the critical current of overdamped josephson junctions at large fluctuations

S. Schuster; B. Mayer; K. L. Blocher; R. Gross; R. P. Huebener

doi:10.1016/0921-4526(94)91310-2

Measurement of the magnetic field dependence of the critical current of overdamped josephson junctions at large fluctuations

S. Schuster, B. Mayer, K. L. Blocher, R. Gross, R. P. Huebener

University of Tübingen

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

Abstract

Large fluctuations are known to result in noise rounded current voltage characteristics of overdamped Josephson junctions and a finite resistance even in the zero current limit. This makes the measurement of the critical current and its magnetic field dependence difficult. Extending the theory of Ambegaokar and Halperin we have developed a new method for measuring the magnetic field dependence of the critical current in the regime of large thermal fluctuations.

Original language	English
Pages (from-to)	1621-1622
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	194-196
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91310-2
State	Published - 2 Feb 1994
Externally published	Yes

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10.1016/0921-4526(94)91310-2

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abstract = "Large fluctuations are known to result in noise rounded current voltage characteristics of overdamped Josephson junctions and a finite resistance even in the zero current limit. This makes the measurement of the critical current and its magnetic field dependence difficult. Extending the theory of Ambegaokar and Halperin we have developed a new method for measuring the magnetic field dependence of the critical current in the regime of large thermal fluctuations.",

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AU - Mayer, B.

AU - Blocher, K. L.

AU - Gross, R.

AU - Huebener, R. P.

PY - 1994/2/2

Y1 - 1994/2/2

N2 - Large fluctuations are known to result in noise rounded current voltage characteristics of overdamped Josephson junctions and a finite resistance even in the zero current limit. This makes the measurement of the critical current and its magnetic field dependence difficult. Extending the theory of Ambegaokar and Halperin we have developed a new method for measuring the magnetic field dependence of the critical current in the regime of large thermal fluctuations.

AB - Large fluctuations are known to result in noise rounded current voltage characteristics of overdamped Josephson junctions and a finite resistance even in the zero current limit. This makes the measurement of the critical current and its magnetic field dependence difficult. Extending the theory of Ambegaokar and Halperin we have developed a new method for measuring the magnetic field dependence of the critical current in the regime of large thermal fluctuations.

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VL - 194-196

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JO - Physica B: Condensed Matter

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IS - PART 2

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Measurement of the magnetic field dependence of the critical current of overdamped josephson junctions at large fluctuations

Abstract

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