Screening of the Raman response in multiband superconductors -- application to iron-pnictides

Details Screening of the Raman response in multiband superconductors -- application to iron-pnictides Screening of the Raman response in multiband superconductors -- application to iron-pnictides

2010-06-07

arxiv.org/abs/1006.1333v1

Physics

Condensed Matter

Superconductivity

Accepted for publication in Phys. Rev. B

Scientific paper

We performed model calculations of Raman responses for multiband 2D superconductors. The multiband effects of screening in the A_{1g} symmetry channel were investigated analytically and numerically for a band structure model mimicing ARPES data on iron-pnictide materials. An acceptable agreement between our model calculations and recent experimental data is demonstrated by modification of the band structure parameters.

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