It is shown that in extremely anisotropic layered superconductors the interaction of vortex lines with a parallel planar surface, which for straight lines along the c axis decreases exponentially over the in-plane penetration depth {λ}, becomes a long-range dipole-dipole attraction when the vortex line is distorted randomly. This novel long-range fluctuation-induced attraction enhances the thermal fluctuations down to depths much larger than {λ} and may lead to flux creep towards the surface.
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Brandt et al. (1996) studied this question.
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