scholarly journals Superfluid helium film may greatly increase the storage time of ultracold neutrons in material traps

2021 ◽  
Vol 104 (5) ◽  
Author(s):  
P. D. Grigoriev ◽  
A. M. Dyugaev
Keyword(s):  
Superfluid Helium ◽  
Storage Time ◽  
Ultracold Neutrons ◽  
Helium Film

scholarly journals On the Possibility of a Significant Increase in the Storage Time of Ultracold Neutrons in Traps Coated with a Liquid Helium Film

JETP Letters ◽  
2021 ◽  
Vol 114 (8) ◽  
pp. 493-499
Author(s):  
P. D. Grigoriev ◽  
A. M. Dyugaev ◽  
T. I. Mogilyuk ◽  
A. D. Grigoriev
Keyword(s):  
Liquid Helium ◽  
Storage Time ◽  
Ultracold Neutrons ◽  
Helium Film

Comments on the article: ‘The two-fluid model of the helium film’

1973 ◽  
Vol 333 (1593) ◽  
pp. 261-263 ◽  
Keyword(s):  
Superfluid Helium ◽  
Fluid Model ◽  
Convection Velocity ◽  
Thermodynamic Approach ◽  
Helium Film ◽  
Helium Films ◽  
Third Sound ◽  
Superfluid Flow ◽  
Two Fluid Model ◽  
Two Fluid

It is argued that the thermodynamic approach used by Goodstein and Saffman in their theory of thin superfluid helium films is incorrect. Their theory does not explain Keller’s experiment. The value they obtained for the convection velocity of third sound in a film with superfluid flow is consequently unfounded theoretically. Their calculation of third sound attenuation is shown to be incomplete.

DISSIPATION IN THE SUPERFLUID HELIUM FILM AT VARIOUS TEMPERATURES

1978 ◽  
Vol 39 (C6) ◽  
pp. C6-304-C6-305
Author(s):  
G. A. Arajs ◽  
R. F. Harris-Lowe ◽  
R. R. Turkington
Keyword(s):  
Superfluid Helium ◽  
Helium Film

Third sound in superfluid helium film on a quasiperiodic substrate

1993 ◽  
Vol 44 (1-3) ◽  
pp. 211-212
Author(s):  
K. Kono ◽  
S. Nakada ◽  
S. Ito ◽  
Y. Narahara
Keyword(s):  
Superfluid Helium ◽  
Helium Film ◽  
Third Sound
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