Lifting of nodes by disorder in extended- s -state superconductors: Application to ferropnictides

V. Mishra; G. Boyd; S. Graser; T. Maier; P. J. Hirschfeld; D. J. Scalapino

doi:10.1103/PhysRevB.79.094512

Lifting of nodes by disorder in extended- s -state superconductors: Application to ferropnictides

V. Mishra
, G. Boyd
, S. Graser
, T. Maier
, P. J. Hirschfeld
, D. J. Scalapino

Research output: Contribution to journal › Article › peer-review

128 Scopus citations

Abstract

We show, using a simple model, how ordinary disorder can gap an extended- s - (A1g) symmetry superconducting state with nodes. The concomitant crossover of thermodynamic properties, particularly the T dependence of the superfluid density, from pure power-law behavior to an activated one is exhibited. We discuss applications of this scenario to experiments on the ferropnictide superconductors.

Original language	English
Article number	094512
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	79
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.79.094512
State	Published - Mar 3 2009

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10.1103/PhysRevB.79.094512

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abstract = "We show, using a simple model, how ordinary disorder can gap an extended- s - (A1g) symmetry superconducting state with nodes. The concomitant crossover of thermodynamic properties, particularly the T dependence of the superfluid density, from pure power-law behavior to an activated one is exhibited. We discuss applications of this scenario to experiments on the ferropnictide superconductors.",

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AU - Maier, T.

AU - Hirschfeld, P. J.

AU - Scalapino, D. J.

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AB - We show, using a simple model, how ordinary disorder can gap an extended- s - (A1g) symmetry superconducting state with nodes. The concomitant crossover of thermodynamic properties, particularly the T dependence of the superfluid density, from pure power-law behavior to an activated one is exhibited. We discuss applications of this scenario to experiments on the ferropnictide superconductors.

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DO - 10.1103/PhysRevB.79.094512

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JO - Physical Review B - Condensed Matter and Materials Physics

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Lifting of nodes by disorder in extended- s -state superconductors: Application to ferropnictides

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