Asymptotically Exact Solution for Superconductivity near Ferromagnetic Criticality

Details Asymptotically Exact Solution for Superconductivity near Ferromagnetic Criticality Asymptotically Exact Solution for Superconductivity near Ferromagnetic Criticality

2004-01-22

arxiv.org/abs/cond-mat/0401412v2

J. Phys. Soc. Jpn. Vol.73, 2061 (2004)

Physics

Condensed Matter

Superconductivity

6 pages, 2 figures, published final version

Scientific paper

10.1143/JPSJ.73.2061

We analyze an asymptotically exact solution for the transition temperature of p-wave superconductivity near ferromagnetic criticality on the basis of the three-dimensional electron systems in which scattering processes are dominated by exchange interactions with small momentum transfers. Taking into account all Feynman diagrams in the gap equation, we show that vertex corrections neglected in the conventional Eliashberg's formalism enhance the dynamical retarded effect of the pairing interaction, and raise the superconducting transition temperature significantly, though they just give subleading corrections to properties of the normal state.

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