Collective $d-$wave Excitonic Modes in the Fe-Superconductors - Condensed Matter > SuperconductivityReport as inadecuate




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Abstract: Calculations of the pairing interaction in multi-band models of the Fesuperconductors show that it is attractive in both the $A {1g}$ s-wave and$B {1g}$ d-wave channels. This raises the possibility that these materialsmay have collective excitonic modes. Here, assuming an s-wave groundstate, weinvestigate the d-wave collective excitonic mode and its coupling to the Ramanscattering.



Author: D. J. Scalapino, T. P. Devereaux

Source: https://arxiv.org/



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