Published October 2002
| Version v1
Journal article
The superfluid state of a Bose liquid 4He as a superposition of a single-particle and pair coherent condensates
Creators
- 1. Yinstitut fyiziki, Kyiv (Ukraine)
- 2. Kiyivs'kij natsyional'nij unyiversitet, Kyiv (Ukraine)
Description
We consider the superfluid (SF) state of a Bose liquid with a strong repulsion between bosons, in which there exists an intensive pair coherent condensate (PCC), analogous to the Cooper condensate in a Fermi liquid with an attraction between fermions, at T = 0, along with a weak single-particle Bose-Einstein condensate (BEC).We also consider the structure of the SF state at T not = 0 with account for the appearance of the normal component ρn and a branch of second sound, whose speed tends to zero at the λ point
Additional details
Additional titles
- Original title (Ukrainian)
- Nadplinnij stan Boze-ryidini
Publishing Information
- Journal Title
- Ukrayins'kij Fyizichnij Zhurnal (Kiev)
- Journal Volume
- 47
- Journal Issue
- 10
- Journal Page Range
- p. 967-974
- ISSN
- 0372-400X
INIS
- Country of Publication
- Ukraine
- Country of Input or Organization
- Ukraine
- INIS RN
- 34021924
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- BOSE-EINSTEIN CONDENSATION; CONDENSATES; GREEN FUNCTION; HELIUM 4; PAIRING INTERACTIONS; SUPERFLUIDITY
- Descriptors DEC
- EVEN-EVEN NUCLEI; FUNCTIONS; HELIUM ISOTOPES; INTERACTIONS; ISOTOPES; LIGHT NUCLEI; NUCLEI; STABLE ISOTOPES