Published May 1985
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Roton-like excitation in superfluid helium-4
Creators
- 1. International Centre for Theoretical Physics, Trieste (Italy)
- 2. Kashmir Univ., Srinagar (India). Dept. of Physics
Description
A second quantized technique is used to study the thermodynamic behaviour of roton-like excitations, in liquid helium-4. Temperature dependence and density dependence of the energy-gap needed for roton-like excitations are obtained from this model. (author)
Availability note (English)
MF available from INIS under the Report Number.Files
17018307.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 18 p.
- Report number
- IC--85/38
INIS
- Country of Publication
- International Atomic Energy Agency (IAEA)
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 17018307
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- DENSITY; ENERGY GAP; HELIUM II; QUANTUM OPERATORS; ROTONS; SECOND QUANTIZATION; TEMPERATURE DEPENDENCE
- Descriptors DEC
- EVEN-EVEN NUCLEI; FLUIDS; HELIUM ISOTOPES; HELIUM 4; ISOTOPES; LIGHT NUCLEI; MATHEMATICAL OPERATORS; NUCLEI; PHYSICAL PROPERTIES; QUANTIZATION; QUANTUM FLUIDS; QUASI PARTICLES; STABLE ISOTOPES
Optional Information
- Notes
- 19 refs.