Dissipative phase transition in a mesoscopic Josephson junction in a weak magnetic field

Jari S. Penttilä; Pertti J. Hakonen; Mikko A. Paalanen; Ülo Parts; Edouard B. Sonin

doi:10.1016/S0921-4526(99)03041-0

Dissipative phase transition in a mesoscopic Josephson junction in a weak magnetic field

Jari S. Penttilä^*, Pertti J. Hakonen, Mikko A. Paalanen, Ülo Parts, Edouard B. Sonin

^*Corresponding author for this work

Racah Institute of Physics

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

2 Scopus citations

Abstract

A dissipative phase transition (DPT) is found in resistively shunted (4-75 kΩ) mesoscopic Josephson junctions owing to suppression of macroscopic quantum tunneling of phase by the interaction with dissipative quantum-mechanical environment. We have studied the behavior of this transition as a function of magnetic field. Instead of a field-induced insulator-superconductor transition, we find a hysteretic insulator-insulator (I-I) transition. The phase diagram for the DPT in a weak magnetic field is outlined.

Original language	English
Pages (from-to)	1832-1833
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	284-288
Issue number	PART II
DOIs	https://doi.org/10.1016/S0921-4526(99)03041-0
State	Published - 2000

Keywords

Dissipation
Josephson junction
Superconductor-insulator transition

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10.1016/S0921-4526(99)03041-0

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title = "Dissipative phase transition in a mesoscopic Josephson junction in a weak magnetic field",

abstract = "A dissipative phase transition (DPT) is found in resistively shunted (4-75 kΩ) mesoscopic Josephson junctions owing to suppression of macroscopic quantum tunneling of phase by the interaction with dissipative quantum-mechanical environment. We have studied the behavior of this transition as a function of magnetic field. Instead of a field-induced insulator-superconductor transition, we find a hysteretic insulator-insulator (I-I) transition. The phase diagram for the DPT in a weak magnetic field is outlined.",

keywords = "Dissipation, Josephson junction, Superconductor-insulator transition",

author = "Penttil{\"a}, {Jari S.} and Hakonen, {Pertti J.} and Paalanen, {Mikko A.} and {\"U}lo Parts and Sonin, {Edouard B.}",

year = "2000",

doi = "10.1016/S0921-4526(99)03041-0",

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AU - Penttilä, Jari S.

AU - Hakonen, Pertti J.

AU - Paalanen, Mikko A.

AU - Parts, Ülo

AU - Sonin, Edouard B.

PY - 2000

Y1 - 2000

N2 - A dissipative phase transition (DPT) is found in resistively shunted (4-75 kΩ) mesoscopic Josephson junctions owing to suppression of macroscopic quantum tunneling of phase by the interaction with dissipative quantum-mechanical environment. We have studied the behavior of this transition as a function of magnetic field. Instead of a field-induced insulator-superconductor transition, we find a hysteretic insulator-insulator (I-I) transition. The phase diagram for the DPT in a weak magnetic field is outlined.

AB - A dissipative phase transition (DPT) is found in resistively shunted (4-75 kΩ) mesoscopic Josephson junctions owing to suppression of macroscopic quantum tunneling of phase by the interaction with dissipative quantum-mechanical environment. We have studied the behavior of this transition as a function of magnetic field. Instead of a field-induced insulator-superconductor transition, we find a hysteretic insulator-insulator (I-I) transition. The phase diagram for the DPT in a weak magnetic field is outlined.

KW - Dissipation

KW - Josephson junction

KW - Superconductor-insulator transition

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SN - 0921-4526

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JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - PART II

ER -

Dissipative phase transition in a mesoscopic Josephson junction in a weak magnetic field

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