Amplitude-dependent velocity of vortices in long Josephson junctions estimated from microwave-induced dc voltages

K. Hamasaki, K. Enpuku, F. Irie, K. Yoshida

研究成果: Contribution to journalArticle

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抜粋

The microwave-induced dc voltage in long Josephson tunnel junctions in the absence of dc bias currents is studied to obtain the velocity of a moving vortex train driven by a microwave. Detailed experiments for the induced dc voltage are carried out for the experimental configuration where the amplitude and the length of the vortex train can be controlled by the magnitudes of the applied microwave and the dc magnetic field. An analysis of the induced dc voltage is made on the basis of Whitham's averaged Lagrangian method, which explains well the observed dependences of the induced dc voltage on the microwave power and the dc magnetic field. The velocity of the vortex train is estimated from the observed dc voltage, and is shown to be strongly dependent on the amplitude as is predicted from the theory.

元の言語英語
ページ(範囲)6816-6823
ページ数8
ジャーナルJournal of Applied Physics
52
発行部数11
DOI
出版物ステータス出版済み - 12 1 1981

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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