Microwave-induced effects on collective vortex motion in Bi-2212 intrinsic Josephson junction stacks

K. Nakajima; H. Sasaki; T. Yasuda; J. Chen; T. Yamashita

doi:10.1088/0953-2048/17/5/058

Microwave-induced effects on collective vortex motion in Bi-2212 intrinsic Josephson junction stacks

K. Nakajima, H. Sasaki, T. Yasuda, J. Chen, T. Yamashita

Research Institute of Electrical Communication (RIEC)

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

3 Citations (Scopus)

Abstract

Microwave responses of intrinsic Josephson junction stacks in the flux-flow state have been studied to explore phase-locked vortex motion. Remarkable step and zero-crossing structures are induced in the I-V characteristics by microwave irradiations. It is shown that vortex motion phase-locked to external microwaves plays an important role in the responses. Numerical simulations reveal that the alternating magnetic field of microwaves drives vortices into the stack and generates the zero-crossing step.

Original language	English
Pages (from-to)	S381-S384
Journal	Superconductor Science and Technology
Volume	17
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/17/5/058
Publication status	Published - 2004 May 1

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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AU - Yamashita, T.

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AB - Microwave responses of intrinsic Josephson junction stacks in the flux-flow state have been studied to explore phase-locked vortex motion. Remarkable step and zero-crossing structures are induced in the I-V characteristics by microwave irradiations. It is shown that vortex motion phase-locked to external microwaves plays an important role in the responses. Numerical simulations reveal that the alternating magnetic field of microwaves drives vortices into the stack and generates the zero-crossing step.

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