On the electric activity of superfluid systems

Abstract

The Keldysh's theory of superfluidity of rarefied electron-hole gas is generalized to a case of possible pair polarizability. It was shown that inhomogeneity of the system leads to dipole moment which is proportional to the density gradient. The dipole moment appears also near boundaries of the system. It was determined that quantized vortices in a magnetic field carry a real electric charge. In He II at H=10 T and helium rotation velocity $10^2$ s${}^{-1}$ the charge density is about $10^{4}e$ cm${}^{-3}$, where $e$ is the electron charge.

5 pages V. 2: replaced incorrect g value

Cited by in corpus (9)

• To the theory of the electric activity of He II induced by waves of first and second sounds
• Superfluidity of a rarefied gas of electron-hole pairs in a bilayer system
• Superheat conductivity and electric activity of superfluid systems
• Electric fields generated by quantized vortices
• Transition to a supersolid phase in a two-dimensional dilute gas of electron-hole pairs
• On the dipole moment of quantized vortices generated by flows
• Non-stationary thermal electromotive force generated by third sound
• Acoustic modes in He I and He II in the presence of an alternating electric field
• On the electric charge of quantized vortices and the dipole moment of vortex pairs and rings in a magnetic field