Nonlinear dynamics of intrinsic Josephson junctions under an applied current

Nonlinear dynamics of Josephson plasma oscillations in intrinsic Josephson junctions formed in high Tc superconductors is studied based on numerical simulations. The dynamics is described by a differential equation similar to sine-Gordon equation. We discuss within classical dynamics that the eigenm...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2007-10, Vol.463-465, p.993-996
Main Authors: Hayashi, M., Suzuki, M., Onuki, J., Ebisawa, H.
Format: Article
Language:English
Subjects:
Breather mode
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Intrinsic Josephson junction
Physics
Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions
Sine-Gordon equation
Superconductivity
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Summary:Nonlinear dynamics of Josephson plasma oscillations in intrinsic Josephson junctions formed in high Tc superconductors is studied based on numerical simulations. The dynamics is described by a differential equation similar to sine-Gordon equation. We discuss within classical dynamics that the eigenmodes, well defined in linearized equation, are modified by the nonlinear effects. Especially we concentrate on the formation of the so-called “breather modes”, which gives rise to the mixing of eigenmodes.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2007.02.046