Singlet superconductivity in SmO0.82F0.18FeAs

J. Gifford; B. Chen; J. Zhang; G. Zhao; D. Kim; D. Wu; Tingyong Chen

doi:10.1109/INTMAG.2015.7157085

Singlet superconductivity in SmO_0.82F_0.18FeAs

J. Gifford, B. Chen, J. Zhang, G. Zhao, D. Kim, D. Wu, Tingyong Chen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

When two electrons are bound together to form a pair in a superconductor (SC), they can have parallel and antiparallel spin configurations, depending on the spatial parity. The overall anti-symmetry of the wave function requires that even spatial parity (s, d...) must have odd spin (singlet) while odd spatial parity (p, f...) must have even spin (triplet). The possibility of triplet superconductivity has been considered since the BCS theory over 60 years ago. Many SCs have been predicted to have triplet pairing, including the organic SC (TMTSF)₂PF₆ [1], the heavy fermion UPt₃ [2], the perovskite oxide Sr₂RuO₄ [3-4], and the recent Fe-SCs [5]. However, triplet SCs exhibit very similar properties as singlet SCs and there are very few methods that can explore triplet superconductivity.

Original language	English (US)
Title of host publication	2015 IEEE International Magnetics Conference, INTERMAG 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479973224
DOIs	https://doi.org/10.1109/INTMAG.2015.7157085
State	Published - Jul 14 2015
Event	2015 IEEE International Magnetics Conference, INTERMAG 2015 - Beijing, China Duration: May 11 2015 → May 15 2015

Publication series

Name	2015 IEEE International Magnetics Conference, INTERMAG 2015

Other

Other	2015 IEEE International Magnetics Conference, INTERMAG 2015
Country/Territory	China
City	Beijing
Period	5/11/15 → 5/15/15

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Surfaces, Coatings and Films

Access to Document

10.1109/INTMAG.2015.7157085

Cite this

Singlet superconductivity in SmO_0.82F_0.18FeAs. / Gifford, J.; Chen, B.; Zhang, J. et al.
2015 IEEE International Magnetics Conference, INTERMAG 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7157085 (2015 IEEE International Magnetics Conference, INTERMAG 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gifford, J, Chen, B, Zhang, J, Zhao, G, Kim, D, Wu, D & Chen, T 2015, Singlet superconductivity in SmO_0.82F_0.18FeAs. in 2015 IEEE International Magnetics Conference, INTERMAG 2015., 7157085, 2015 IEEE International Magnetics Conference, INTERMAG 2015, Institute of Electrical and Electronics Engineers Inc., 2015 IEEE International Magnetics Conference, INTERMAG 2015, Beijing, China, 5/11/15. https://doi.org/10.1109/INTMAG.2015.7157085

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