Josephson coupling mediated by quantum diffusion

A. Frydman; Z. Ovadyahu

doi:10.1016/0038-1098(95)00227-8

Josephson coupling mediated by quantum diffusion

A. Frydman^*, Z. Ovadyahu

^*Corresponding author for this work

Racah Institute of Physics

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

7 Scopus citations

Abstract

We present results on the transport properties of Pb/I/Pb junctions, where I is either a-Ge or a-InO film. At helium temperatures, such structures sustain non-dissipative currents and exhibit systematic sub-gap I-V modulation. The data are consistent with the existence of a Josephson-coupling mechanism involving quantum mechanical coherent diffusion within the Anderson-insulating barrier.

Original language	English
Pages (from-to)	79-83
Number of pages	5
Journal	Solid State Communications
Volume	95
Issue number	2
DOIs	https://doi.org/10.1016/0038-1098(95)00227-8
State	Published - Jul 1995

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title = "Josephson coupling mediated by quantum diffusion",

abstract = "We present results on the transport properties of Pb/I/Pb junctions, where I is either a-Ge or a-InO film. At helium temperatures, such structures sustain non-dissipative currents and exhibit systematic sub-gap I-V modulation. The data are consistent with the existence of a Josephson-coupling mechanism involving quantum mechanical coherent diffusion within the Anderson-insulating barrier.",

author = "A. Frydman and Z. Ovadyahu",

year = "1995",

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doi = "10.1016/0038-1098(95)00227-8",

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AU - Frydman, A.

AU - Ovadyahu, Z.

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N2 - We present results on the transport properties of Pb/I/Pb junctions, where I is either a-Ge or a-InO film. At helium temperatures, such structures sustain non-dissipative currents and exhibit systematic sub-gap I-V modulation. The data are consistent with the existence of a Josephson-coupling mechanism involving quantum mechanical coherent diffusion within the Anderson-insulating barrier.

AB - We present results on the transport properties of Pb/I/Pb junctions, where I is either a-Ge or a-InO film. At helium temperatures, such structures sustain non-dissipative currents and exhibit systematic sub-gap I-V modulation. The data are consistent with the existence of a Josephson-coupling mechanism involving quantum mechanical coherent diffusion within the Anderson-insulating barrier.

UR - https://www.scopus.com/pages/publications/0347897359

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SN - 0038-1098

VL - 95

SP - 79

EP - 83

JO - Solid State Communications

JF - Solid State Communications

IS - 2

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Josephson coupling mediated by quantum diffusion

Abstract

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