Interaction between moving Abrikosov vortices in type-II superconductors
V. G. Kogan, R. Prozorov
DOI 10.1103/PhysRevB.102.024506 · Physical Review B
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Abstract
The self-energy of a moving vortex is shown to decrease with increasing velocity. The interaction energy of two parallel slowly moving vortices differs from the static case by a small term ∝v2; the “slow” motion is defined as having the velocity v<vc=c2/4πσλ, where σ(T) is the conductivity of normal excitations and λ(T) is London penetration depth. For higher velocities, v>vc(T), the interaction energy of two vortices situated along the velocity direction is enhanced and in the perpendicular direction is suppressed compared to the static case.
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