Interaction of vortex lattice with ultrasound and the acoustic Faraday effect Article uri icon

abstract

  • The interaction of sound with the vortex lattice is considered for high- Tc superconductors, taking into account pinning and electrodynamic forces between vortices and crystal displacements. At low temperatures the Magnus force results in the acoustic Faraday effect; the velocity of sound propagating along the magnetic field depends on the polarization. This effect is linear in the Magnus force and magnetic field in crystals with equivalent a and b axes for a field parallel to the c axis. In the thermally activated flux flow regime, the Faraday effect is caused by electric and magnetic fields induced by vortices and acting on ions. © 1995 The American Physical Society.

publication date

  • 1995-01-01