Theory of ac Josephson Effect in Superfluid Helium

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概要

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• A microscopic theory of the ac Josephson effect in superfluid helium is proposed onthe basis of the Heisenberg equation of the dressed-boson operators. The equation issolved exactly. The interference of the two eigen-osc:illations in the exact solution pro-duces the Josephson oscillatiorr. It is verified that the oscillatiort occurs even when thequantum fluctuation of the relative phase is infinitely large. On the basis of theseresults, we propose an experiment to detect the tunnelling effect of the dressedbosons. The formulation of this paper can be applied to the Josephson effect in super-conductor.

• 社団法人日本物理学会の論文
• 1990-02-15

著者

• SASAKI Shosuke

  Department of Physics, College of General Education, Osaka University

• Kebukawa Takeji

  Department Of Physics College Of General Education Osaka University

• Kebukawa T

  Faculty Of Education Shinshu University

• Sasaki Shosuke

  Department Of Physics College Of General Education Osaka University

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