Published May 1985 | Version v1
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Roton-like excitation in superfluid helium-4

  • 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.

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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.