Vortex pseudomomentum and dissipation in a superfluid vortex lattice

Details Vortex pseudomomentum and dissipation in a superfluid vortex lattice Vortex pseudomomentum and dissipation in a superfluid vortex lattice

2008-06-26

arxiv.org/abs/0806.4378v2

J. Phys. A: Math. Theor. 41 (2008) 295501 (9pp)

Physics

Condensed Matter

Statistical Mechanics

11 pages, no figures. Typo corrected in equation (28)

Scientific paper

10.1088/1751-8113/41/29/295501

We propose an alternative approach to the dissipative vortex dynamics occurring in a superfluid vortex lattice at finite temperatures. Focusing upon the pseudomomentum of a vortex and its surrounding quasiparticles, we derive an equation of motion which, in spite of yielding the same evolution as the usual one for massless vortices, does not involve the vortex mass. This picture could provide further insights into the controversy about the nature of the vortex mass.

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