Voltage-flux bistability in damped direct-current squids

I. L. Atkin; E. Abraham; C. M. Pegrum

doi:10.1063/1.117401

Voltage-flux bistability in damped direct-current squids

I. L. Atkin, E. Abraham, C. M. Pegrum

School of Engineering & Physical Sciences

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Abstract

We present an analysis and numerical study of a dc superconducting quantum interference device (SOUID) with a damped loop inductance. We find a previously unreported regime of voltage-flux testability due to the dampins resistor when the SQUID is biased below the zero-field critical current We determine the region where this phenomenon can be found in the parameter space defined by the damping resistance and the inductance parameter. We show that switching between the bistable states can be controlled by external flux pulses and by adding thermal noise to the model, we have determined the maximum noise level at which the bistability can be seen. © 1996 American Institute of Physics.

Original language	English
Pages (from-to)	1309-1311
Number of pages	3
Journal	Applied Physics Letters
Volume	69
Issue number	9
DOIs	https://doi.org/10.1063/1.117401
Publication status	Published - 26 Aug 1996

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title = "Voltage-flux bistability in damped direct-current squids",

abstract = "We present an analysis and numerical study of a dc superconducting quantum interference device (SOUID) with a damped loop inductance. We find a previously unreported regime of voltage-flux testability due to the dampins resistor when the SQUID is biased below the zero-field critical current We determine the region where this phenomenon can be found in the parameter space defined by the damping resistance and the inductance parameter. We show that switching between the bistable states can be controlled by external flux pulses and by adding thermal noise to the model, we have determined the maximum noise level at which the bistability can be seen. {\textcopyright} 1996 American Institute of Physics.",

author = "Atkin, {I. L.} and E. Abraham and Pegrum, {C. M.}",

year = "1996",

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T1 - Voltage-flux bistability in damped direct-current squids

AU - Atkin, I. L.

AU - Abraham, E.

AU - Pegrum, C. M.

PY - 1996/8/26

Y1 - 1996/8/26

N2 - We present an analysis and numerical study of a dc superconducting quantum interference device (SOUID) with a damped loop inductance. We find a previously unreported regime of voltage-flux testability due to the dampins resistor when the SQUID is biased below the zero-field critical current We determine the region where this phenomenon can be found in the parameter space defined by the damping resistance and the inductance parameter. We show that switching between the bistable states can be controlled by external flux pulses and by adding thermal noise to the model, we have determined the maximum noise level at which the bistability can be seen. © 1996 American Institute of Physics.

AB - We present an analysis and numerical study of a dc superconducting quantum interference device (SOUID) with a damped loop inductance. We find a previously unreported regime of voltage-flux testability due to the dampins resistor when the SQUID is biased below the zero-field critical current We determine the region where this phenomenon can be found in the parameter space defined by the damping resistance and the inductance parameter. We show that switching between the bistable states can be controlled by external flux pulses and by adding thermal noise to the model, we have determined the maximum noise level at which the bistability can be seen. © 1996 American Institute of Physics.

U2 - 10.1063/1.117401

DO - 10.1063/1.117401

M3 - Article

SN - 0003-6951

VL - 69

SP - 1309

EP - 1311

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 9

ER -

Voltage-flux bistability in damped direct-current squids

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