Interaction between moving Abrikosov vortices in type-II superconductors

Abstract

The self-energy of a moving vortex is shown do decrease with increasing velocity. The interaction energy of two parallel slowly moving vortices differs from the static case by a small term $\propto v^2$; the "slow" motion is defined as having the velocity $v<v_c=c^2/4\pi \sigma \lambda$, where $\sigma (T)$ is conductivity of the normal excitations and $\lambda (T)$ is London penetration depth. For higher velocities, $v>v_c(T)$, the interaction energy of two vortices situated along the velocity direction is enhanced and along the perpendicular direction is suppressed compared to the static case.

References in corpus (4)

• Imaging of super-fast dynamics and flow instabilities of superconducting vortices
• Anomalous energetics and dynamics of moving vortices
• Time dependent London approach, dissipation due to out-of-core normal excitations by moving vortices
• Giant microwave absorption in s- and d- wave superconductors

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