Abstract
Gibbs free energy, vorticity, magnetization and Abrikosov state in a nanoscopic superconducting square in the presence of an external magnetic field and a heat source produced by a laser with lateral incidence on the sample, are studied. We solved computationally the time-dependent Ginzburg–Landau (TDGL) equations to describe the effect of the heat source on the magnetic response of the sample. The laser wave produced, in a first theoretical approximation, a hypothetical physical situation where the temperature varies into the sample linearly. The sample is subjected to different types of boundary conditions simulated via the deGennes extrapolation length b. It will be shown that the characteristic magnetic curves depend strongly of the boundary conditions and thermal gradient produces novel and non-conventional vortex state.
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