Instability of the longitudinal plasma oscillations and intrinsic AC Josephson effects in Josephson coupled high-Tc superconductors

M. Machida; T. Koyama; M. Tachiki

doi:10.1016/S0921-4534(98)00100-2

Instability of the longitudinal plasma oscillations and intrinsic AC Josephson effects in Josephson coupled high-T_c superconductors

M. Machida, T. Koyama, M. Tachiki

Institute for Materials Research (IMR)

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

27 Citations (Scopus)

Abstract

A novel model for a stack of Josephson junctions in which the charging effect of the superconducting layers is properly taken into account has been proposed recently by Koyama and Tachiki. We perform numerical simulations for the I-V characteristics of the model. The hysteresis loops in the I-V curves show the multiple branch structure similar to those observed in single crystals of Bi-2212. We find that the multiple branches are caused by the freezing of the collective longitudinal Josephson plasma modes into the static charge density waves.

Original language	English
Pages (from-to)	55-60
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	300
Issue number	1-2
DOIs	https://doi.org/10.1016/S0921-4534(98)00100-2
Publication status	Published - 1998 May 1

Keywords

Intrinsic Josephson effects
Longitudinal plasma oscillations
Superconductors

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1016/S0921-4534(98)00100-2

Cite this

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abstract = "A novel model for a stack of Josephson junctions in which the charging effect of the superconducting layers is properly taken into account has been proposed recently by Koyama and Tachiki. We perform numerical simulations for the I-V characteristics of the model. The hysteresis loops in the I-V curves show the multiple branch structure similar to those observed in single crystals of Bi-2212. We find that the multiple branches are caused by the freezing of the collective longitudinal Josephson plasma modes into the static charge density waves.",

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AU - Tachiki, M.

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AB - A novel model for a stack of Josephson junctions in which the charging effect of the superconducting layers is properly taken into account has been proposed recently by Koyama and Tachiki. We perform numerical simulations for the I-V characteristics of the model. The hysteresis loops in the I-V curves show the multiple branch structure similar to those observed in single crystals of Bi-2212. We find that the multiple branches are caused by the freezing of the collective longitudinal Josephson plasma modes into the static charge density waves.

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