Iordanskii force and the gravitational Aharonov-Bohm effect for a moving vortex
- 1 May 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 61 (17), 11780-11786
- https://doi.org/10.1103/physrevb.61.11780
Abstract
I discuss the scattering of phonons by a vortex moving with respect to a superfluid condensate. This allows us to test the compatibility of the scattering-theory derivation of the Iordanskii force with the Galilean invariance of the underlying fluid dynamics. In order to obtain the correct result we must retain terms in the sound-wave equation, and this reinforces the interpretation, due to Volovik, of the Iordanskii force as an analogue of the gravitational Bohm-Aharonov effect.
Keywords
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