TY - JOUR
T1 - Non-equilibrium temperature of well-developed quantum turbulence
AU - Jou, D.
AU - Mongiovì, M. S.
PY - 2009/6/22
Y1 - 2009/6/22
N2 - A non-equilibrium effective temperature of quantum vortex tangles is defined as the average energy of closed vortex loops. The resulting thermodynamic expressions for the entropy and the energy in terms of the temperature of the tangle are confirmed by a microscopic analysis based on a potential distribution function for the length of vortex loops. Furthermore, these expressions for the entropy and energy in terms of temperature are analogous to those of black holes: this may be of interest for establishing further connections between topological defects in superfluids and cosmology. © 2009 Elsevier B.V. All rights reserved.
AB - A non-equilibrium effective temperature of quantum vortex tangles is defined as the average energy of closed vortex loops. The resulting thermodynamic expressions for the entropy and the energy in terms of the temperature of the tangle are confirmed by a microscopic analysis based on a potential distribution function for the length of vortex loops. Furthermore, these expressions for the entropy and energy in terms of temperature are analogous to those of black holes: this may be of interest for establishing further connections between topological defects in superfluids and cosmology. © 2009 Elsevier B.V. All rights reserved.
KW - Fractal dimension
KW - Non-equilibrium thermodynamics
KW - Superfluid turbulence
KW - Vortices
UR - https://www.scopus.com/pages/publications/65749115807
U2 - 10.1016/j.physleta.2009.04.056
DO - 10.1016/j.physleta.2009.04.056
M3 - Article
SN - 0375-9601
VL - 373
SP - 2306
EP - 2310
JO - Physics Letters, Section A: General, Atomic and Solid State Physics
JF - Physics Letters, Section A: General, Atomic and Solid State Physics
IS - 27-28
ER -