Microwave response of superconducting pnictides: extended s± scenario

O.V. Dolgov; A.A. Golubov; D. Parker

doi:10.1088/1367-2630/11/7/075012

Microwave response of superconducting pnictides: extended s± scenario

O.V. Dolgov, A.A. Golubov, D. Parker

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Abstract

We consider a two-band superconductor with relative phase π between the two order parameters as a model for the superconducting state in ferropnictides. Within this model we calculate the microwave response and the NMR relaxation rate. The influence of intra- and interband impurity scattering beyond the Born and unitary limits is taken into account. We show that, depending on the scattering rate, various types of power law temperature dependences of the magnetic field penetration depth and the NMR relaxation rate at low temperatures may take place.

Original language	English
Article number	075012
Number of pages	11
Journal	New journal of physics
Volume	11
Issue number	7
DOIs	https://doi.org/10.1088/1367-2630/11/7/075012
Publication status	Published - 2009

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METIS-263471

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AB - We consider a two-band superconductor with relative phase π between the two order parameters as a model for the superconducting state in ferropnictides. Within this model we calculate the microwave response and the NMR relaxation rate. The influence of intra- and interband impurity scattering beyond the Born and unitary limits is taken into account. We show that, depending on the scattering rate, various types of power law temperature dependences of the magnetic field penetration depth and the NMR relaxation rate at low temperatures may take place.

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DO - 10.1088/1367-2630/11/7/075012

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JO - New journal of physics

JF - New journal of physics

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Microwave response of superconducting pnictides: extended s± scenario

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