Low Temperature Physics: 34, 312 (2008); https://doi.org/10.1063/1.2908892 (4 pages)
Физика Низких Температур: Том 34, Выпуск 4-5 (Апрель 2008), c. 395-399    ( к оглавлению , назад )

Konstantinov effect in helium II

L.A. Melnikovsky

P.L. Kapitza Institute for Physical Problems, Moscow, Russia
E-mail: leva@kapitza.ras.ru

Received November 22, 2007


We consider reflection of first and second sound waves by a rigid flat wall in helium II. A nontrivial dependence of the reflection coefficients on the angle of incidence is obtained. Sound conversion is predicted at slanted incidence.

PACS: 67.25.dg Transport, hydrodynamics, and superflow;
PACS: 67.25.dt Sound and excitations;
PACS: 67.55.dm Two-fluid model; phenomenology.

Ключевые слова: second sound, reflection coefficients, sound absorption, strong anisotropy.