Influence of superflow on collective excitations in /sup 3/He-B
Journal Article
·
· J. Low Temp. Phys.; (United States)
The influence of superflow on the order parameter collective modes in /sup 3/He-B is investigated for temperatures 0< or =T/T/sub c/< or =0.5 by the continual intergral method. The superflow induces a gap distortion, which splits the pair-breaking, squashing, and real squashing modes at zero momentum k. Furthermore, a crossing of the real squashing mode branches with different Vertical BarJ/sub z/Vertical Bar occurs at nonzero k. In addition, the superflow makes it possible to observe the pairbreaking modes and causes a hydrodynamic shift of longitudinal NMR frequency.
- Research Organization:
- Low Temperature Laboratory, Helinki University of Technology, Espoo, Finland
- OSTI ID:
- 5645589
- Journal Information:
- J. Low Temp. Phys.; (United States), Journal Name: J. Low Temp. Phys.; (United States) Vol. 58:3; ISSN JLTPA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COLLECTIVE EXCITATIONS
COOPER PAIRS
DATA
ENERGY-LEVEL TRANSITIONS
EVEN-ODD NUCLEI
EXCITATION
FLUID MECHANICS
HELIUM 3
HELIUM 3 B
HELIUM ISOTOPES
HYDRODYNAMICS
INFORMATION
ISOTOPES
LIGHT NUCLEI
MAGNETIC RESONANCE
MECHANICS
NUCLEAR MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ORDER PARAMETERS
RESONANCE
SPECTRAL SHIFT
STABLE ISOTOPES
SUPERFLUIDITY
THEORETICAL DATA
ULTRALOW TEMPERATURE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COLLECTIVE EXCITATIONS
COOPER PAIRS
DATA
ENERGY-LEVEL TRANSITIONS
EVEN-ODD NUCLEI
EXCITATION
FLUID MECHANICS
HELIUM 3
HELIUM 3 B
HELIUM ISOTOPES
HYDRODYNAMICS
INFORMATION
ISOTOPES
LIGHT NUCLEI
MAGNETIC RESONANCE
MECHANICS
NUCLEAR MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ORDER PARAMETERS
RESONANCE
SPECTRAL SHIFT
STABLE ISOTOPES
SUPERFLUIDITY
THEORETICAL DATA
ULTRALOW TEMPERATURE