Physics – Condensed Matter – Superconductivity
Scientific paper
2010-12-06
Bulg. J. Phys. 39 (2012) 27-50
Physics
Condensed Matter
Superconductivity
To be published in Bulg. J. Phys (2012)
Scientific paper
The scaling properties of the free energy, the diamagnetic moment, and the diamagnetic susceptibility above the phase transition from the ferromagnetic phase to the phase of coexistence of ferromagnetic order and superconductivity in unconventional ferromagnetic superconductors with spin-triplet (p-wave) electron paring are considered. The crossover from weak to strong magnetic induction is described for both quasi-2D (thin films) and 3D (bulk) superconductors. The singularities of diamagnetic moment and diamagnetic susceptibility are dumped for large variations of the pressure and, hence, such singularities could hardly be observed in experiments. The results are obtained within Gaussian approximation on the basis of general theory of ferromagnetic superconductors with p-wave electron pairing.
Belich Humberto
Uzunov Dimo I.
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