scholarly journals A HeI-HeII Interface and Second Sound Shock Waves near the Superfluid Transition

1984 ◽  
Vol 79 ◽  
pp. 191-222 ◽  
Author(s):  
Akira Onuki
Keyword(s):  
Shock Waves ◽  
Superfluid Transition ◽  
Second Sound

Continuum approach to phonon gas and shape changes of second sound via shock waves theory

1994 ◽  
Vol 16 (1) ◽  
pp. 15-44 ◽  
Author(s):  
T. Ruggeri ◽  
A. Muracchini ◽  
L. Seccia
Keyword(s):  
Shock Waves ◽  
Second Sound ◽  
Continuum Approach ◽  
Shape Changes

Superfluid 4He

Quantum 20/20 ◽  
2019 ◽  
pp. 243-260
Author(s):  
Ian R. Kenyon
Keyword(s):  
Symmetry Breaking ◽  
Spontaneous Symmetry Breaking ◽  
Critical Velocity ◽  
Superfluid Transition ◽  
Superfluid 4He ◽  
Long Range Order ◽  
Second Sound ◽  
Superfluid Fraction ◽  
Fraction Versus

The superfluid transition of 4He at 2.17K to He-II and the inference of an underlying condensate are introduced. The fountain effect is interpreted. Andronikashvili’s experiment and the determination of superfluid fraction versus temperature are discussed. Sound and second sound are described. Relationships between the condensate and superfluid fractions, and to off diagonal long-range order (ODLRO) are deduced. The revelation of topological quantization of circulation by Vinen’s experiment is recounted. Spontaneous symmetry breaking by the condensate’s phase coherence is explained. Excitations and their dispersion relations described with Landau’s interpretation, including the explanation of the critical velocity of superflow. Vortices, their interpretation in terms of quantized circulation, and their visualization are described.

Experiments on second-sound shock waves in superfluid helium

1978 ◽  
Vol 21 (5) ◽  
pp. 713 ◽  
Author(s):  
John C. Cummings ◽  
Dieter W. Schmidt ◽  
Wolfgang J. Wagner
Keyword(s):  
Shock Waves ◽  
Superfluid Helium ◽  
Second Sound

Producing and recording converging second-sound shock waves

Cryogenics ◽  
1992 ◽  
Vol 32 (6) ◽  
pp. 598-600 ◽  
Author(s):  
G. Stamm ◽  
Th. Olszok ◽  
M.v. Schwerdtner ◽  
D.W. Schmidt
Keyword(s):  
Shock Waves ◽  
Second Sound
Sign in / Sign up

Export Citation Format

Share Document