Thermal Dissipation in Quantum Turbulence
Journal Article
·
· Physical Review Letters
- Department of Physics, Osaka City University, Sumiyoshi-Ku, Osaka 558-8585 (Japan)
The microscopic mechanism of thermal dissipation in quantum turbulence is numerically studied by solving the coupled system involving the Gross-Pitaevskii equation and the Bogoliubov-de Gennes equation. At low temperatures, the obtained dissipation does not work at scales greater than the vortex core size. However, as the temperature increases, dissipation works at large scales and it affects the vortex dynamics. We successfully obtain the mutual friction coefficients of the vortex in dilute Bose-Einstein condensates dynamics as functions of temperature.
- OSTI ID:
- 20860916
- Journal Information:
- Physical Review Letters, Vol. 97, Issue 14; Other Information: DOI: 10.1103/PhysRevLett.97.145301; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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