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Phase fluctuations; coherent states; stability

It has been shown that when the root-mean-square of the gradient of phase fluctuation exceeds the inverse of the coherence length a system of superfluid rotating with angular velocity exceeding the critical angular velocity has an instability.

A C Biswas¹

1. Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay - 400 005, India

Published

March 1988

Manuscript received

30 October 1987

Manuscript revised

1 January 1988