Quasiparticle ballistics in /sup 3/He-A
Conference
·
· AIP Conf. Proc.; (United States)
OSTI ID:6096888
The propagation of quasiparticles is considered in superfluid /sup 3/He-A cooled (in a magnetic field greater than or equal to 6 kG) to temperatures low enough that the quasiparticle mean free path is substantially larger than the characteristic scale of a texture. Under these conditions quasiparticles propagate ballistically and can be reflected from textural variations, a phenomenon similar to, but rather simpler than, the Andreev reflection well known in superconductors. It is shown that because of this phenomenon the transport of heat and momentum in a flat-slab geometry should be extremely sensitive to the orientation of the magnetic field. Some of these effects should probably be observable with current cryogenics. 5 references, 1 figure.
- Research Organization:
- Univ. of Sussex, England
- OSTI ID:
- 6096888
- Report Number(s):
- CONF-830456-
- Conference Information:
- Journal Name: AIP Conf. Proc.; (United States) Journal Volume: 103
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
DIFFERENTIAL EQUATIONS
ELEMENTS
EQUATIONS
EQUATIONS OF MOTION
EVEN-ODD NUCLEI
FLUIDS
HELIUM 3
HELIUM 3 A
HELIUM ISOTOPES
INTERFACES
ISOTOPES
LIGHT NUCLEI
LIQUIDS
MAGNETIC FIELDS
MEAN FREE PATH
MECHANICS
MEETINGS
NONMETALS
NUCLEI
PARTIAL DIFFERENTIAL EQUATIONS
QUANTUM FLUIDS
QUANTUM MECHANICS
QUASI PARTICLES
STABLE ISOTOPES
SUPERFLUIDITY
TURBULENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
DIFFERENTIAL EQUATIONS
ELEMENTS
EQUATIONS
EQUATIONS OF MOTION
EVEN-ODD NUCLEI
FLUIDS
HELIUM 3
HELIUM 3 A
HELIUM ISOTOPES
INTERFACES
ISOTOPES
LIGHT NUCLEI
LIQUIDS
MAGNETIC FIELDS
MEAN FREE PATH
MECHANICS
MEETINGS
NONMETALS
NUCLEI
PARTIAL DIFFERENTIAL EQUATIONS
QUANTUM FLUIDS
QUANTUM MECHANICS
QUASI PARTICLES
STABLE ISOTOPES
SUPERFLUIDITY
TURBULENCE