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Transverse Evolution of Cylindrical Phonon Pulse in Superfluid Helium-4

โœ Scribed by I.N. Adamenko; K.E. Nemchenko; V.A. Slipko; A.F.G. Wyatt


Publisher
Springer US
Year
2005
Tongue
English
Weight
1011 KB
Volume
138
Category
Article
ISSN
0022-2291

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Spatial evolution of pulses of low-energ
โœ I.N. Adamenko; K.E. Nemchenko; V.A. Slipko; R.V. Vovk; C.D.H. Williams; A.F.G. W ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 136 KB

The system of equations that describes the temporal and spatial evolution of low-energy phonons (l-phonons) is obtained for the cases of plane and axial symmetry. From the solutions of these equations, we discuss the time-resolved measurements of the angular distribution of lphonons. These show a ra