Quasiresonant tunneling of phonons in bosonic superfluid-insulator- superfluid junctions

I. Danshita, N. Yokoshi, S. Kurihara

    研究成果: Article査読

    1 被引用数 (Scopus)

    抄録

    We investigate the quasiresonant tunneling of phonon excitations across a potential barrier spatially separating two condensates with different macroscopic phases. We confirm that the quasiresonant tunneling occurs through the quasibound state. The quasibound state is induced by a potential well created by the condensate density. We analyze the relation between the phase difference Φ of two condensates and the transmission coefficient T by solving the Bogoliubov-de Gennes equations. As a result, the transmission coefficient T is found to depend strongly on Φ because of the Φ dependence of the quasibound state.

    本文言語English
    ページ(範囲)371-375
    ページ数5
    ジャーナルLaser Physics
    15
    2
    出版ステータスPublished - 2005 2

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Physics and Astronomy (miscellaneous)

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