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Identifying the pairing mechanism in Fe–As based superconductors: gaps and isotope effects


Bussmann-Holder, A; Simon, A; Keller, H; Bishop, A R (2011). Identifying the pairing mechanism in Fe–As based superconductors: gaps and isotope effects. Journal of Superconductivity and Novel Magnetism, 24(1-2):1099-1103.

Abstract

The temperature dependencies of the coupled superconducting gaps, observed in Fe–As based superconducting compounds is calculated and a universal temperature scaling observed which is only present if the coupled order parameters both have s-wave symmetry. Predictions for possible isotope effects on the superconducting transition temperature T c are made if phonons are involved in the pairing or polaronic effects are of importance. Comparison to experimental data is given where these are available.

Abstract

The temperature dependencies of the coupled superconducting gaps, observed in Fe–As based superconducting compounds is calculated and a universal temperature scaling observed which is only present if the coupled order parameters both have s-wave symmetry. Predictions for possible isotope effects on the superconducting transition temperature T c are made if phonons are involved in the pairing or polaronic effects are of importance. Comparison to experimental data is given where these are available.

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Additional indexing

Item Type:Journal Article, not refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2011
Deposited On:16 Apr 2013 11:23
Last Modified:05 Apr 2016 16:26
Publisher:Springer
ISSN:1557-1939
Publisher DOI:https://doi.org/10.1007/s10948-010-0864-z

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