Abstract: | A strong electric field leads to anisotropy of the spectrum of elementary excitations of superfluid helium and affects the hydrodynamics, reducing the superfluid flow perpendicular to the field.Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Stekova, AN SSSR, Vol. 120, pp. 25–31, 1982. |