Microscopic construction of the two-fluid model for superfluid helium-4
Using a system of Heisenberg's equation of motion for both the normal and the anomalous correlation functions a two-fluid hydrodynamics for superfluid helium-4 was constructed. The method is based on a gradient expansion of the exact equations of motion for correlation functions about a local...
Збережено в:
| Дата: | 2009 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут фізики конденсованих систем НАН України
2009
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| Назва видання: | Condensed Matter Physics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/120338 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Microscopic construction of the two-fluid model for superfluid helium-4 / P. Shygorin, A. Svidzynskyj // Condensed Matter Physics. — 2009. — Т. 12, № 4. — С. 657-663. — Бібліогр.: 5 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | Using a system of Heisenberg's equation of motion for both the normal and the anomalous correlation functions
a two-fluid hydrodynamics for superfluid helium-4 was constructed. The method is based on a gradient
expansion of the exact equations of motion for correlation functions about a local equilibrium together with
explicit use of the local equilibrium statistical operator for superfluid helium in the frame of reference, where
condensate is in the state of rest. |
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