Modulated superconductivity near Pomeranchuk instabilities in the spin channel

Details Modulated superconductivity near Pomeranchuk instabilities in the spin channel Modulated superconductivity near Pomeranchuk instabilities in the spin channel

2011-06-30

arxiv.org/abs/1106.6311v2

Physics

Condensed Matter

Superconductivity

4 pages, 2 figures, equation (18) corrected. Phase diagram (fig. 1) changed

Scientific paper

We study the competition between a Pomeranchuk instability in the spin channel with angular momentum $\ell=1$ and an attractive interaction, favoring Cooper pair formation. We find, at mean-field approximation, that superconductivity strongly suppress the Pomeranchuk instability. Moreover, we have found a metastable modulated superconducting phase with similar characteristics of the FFLO state.

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