An effective nonequilibrium temperature in counterflow superfluid turbulence is proposed, as a parameter characterizing a canonical probability distribution function of vortex orientation, and relating the diffusion coefficient of vortex lines to the vortex friction through an Einstein relation.
JOU D, MONGIOVI' MS (2006). Nonequilibrium effective temperature of superfluid vortex tangle. PHYSICS LETTERS A, 359(3), 183-186 [10.1016/j.physleta.2006.06.031].
Nonequilibrium effective temperature of superfluid vortex tangle
MONGIOVI', Maria Stella
2006-01-01
Abstract
An effective nonequilibrium temperature in counterflow superfluid turbulence is proposed, as a parameter characterizing a canonical probability distribution function of vortex orientation, and relating the diffusion coefficient of vortex lines to the vortex friction through an Einstein relation.
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