Transverse force on a quantized vortex in a superconductor
Michael R. Geller, Carlos Wexler, David J. Thouless
DOI 10.1103/PhysRevB.57.R8119 · Physical Review B
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Abstract
The total transverse force acting on a quantized vortex in a type-II superconductor determines the Hall response in the mixed state, yet a consensus as to its correct form is still lacking. In this paper we present an essentially exact expression for this force, valid in the superclean limit, which was obtained by generalizing the recent work by Thouless, Ao, and Niu [D. J. Thouless, P. Ao, and Q. Niu, Phys. Rev. Lett. 76, 3758 (1996)] on the Magnus force in a neutral superfluid. We find the transverse force per unit length to be f=ρK×V, where ρ=ρn+ρs is the sum of the mass densities of the normal and superconducting components, K is a vector parallel to the line vortex with a magnitude equal to the quantized circulation, and V is the vortex velocity.
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