Analysis of transport properties of iron pnictides: spin-fluctuation scenario

Details Analysis of transport properties of iron pnictides: spin-fluctuation scenario Analysis of transport properties of iron pnictides: spin-fluctuation scenario

2009-05-26

arxiv.org/abs/0905.4153v2

Phys. Rev. B 80, 014517 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

Revised version, 6 pages, 11 references added

Scientific paper

We present a phenomenological theory of quasiparticle scattering and transport relaxation in the normal state of iron pnictides based on the simplified two-band model coupled via spin fluctuations. In analogy with anomalous properties of cuprates it is shown that a large and anomalous normal-state resistivity and thermopower can be interpreted as the consequence of strong coupling to spin fluctuations. The generalization to the superconducting phase is also discussed.

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