Optical conductivity of superconducting Sr_2RuO_4

Details Optical conductivity of superconducting Sr_2RuO_4 Optical conductivity of superconducting Sr_2RuO_4

2003-01-21

arxiv.org/abs/cond-mat/0301381v1

Europhys. Lett. 62, 426 (2003)

Physics

Condensed Matter

Superconductivity

7 pages, 9 figures

Scientific paper

10.1209/epl/i2003-00413-7

We compute the optical conductivity of 2D f-wave superconductors and also of the multigap model proposed recently by Zhitomirsky and Rice at T=0K in the Born limit. The presence of interband impurity scattering was found to play an important role: the contributions from the two bands mix up, and new structures are seen in the tunneling density of states and in the optical spectrum as well, corresponding to interband transitions. This will provide a sensitive test in selecting the competing models for the triplet superconductivity in Sr_2RuO_4.

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