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Pinning and thermal creep determine the response of numerous systemscontaining superstructures, e.g., vortices in type II superconductors, domainwalls in ferroics, or dislocations in metals. The combination of drive andthermal fluctuations lead to the superstructure's depinning and its velocity$v$ determines the electric, magnetic, or mechanical response. It is commonlybelieved that pinning and creep collapse above the critical drive $F_c$,entailing a sharp rise in the velocity $v$. We challenge this perception bystudying the effects of thermal fluctuations within the framework of strongvortex pinning in type-II superconductors. In fact, we show that pinning andthermal creep persist far beyond the critical force. The resultingforce-velocity characteristic largely maintains its zero-temperature shape andthermal creep manifests itself by a downward renormalisation of the criticaldrive. Such characteristics is in agreement with Coulomb's law of dry frictionand has been often observed in experiments.

Thermal depinning and creep in strong pinning theory