Glide-plane symmetry and superconducting gap structure of iron-based superconductors

Wang, Yan; Berlijn, Tom; Hirschfeld, Peter J.; Scalapino, Douglas J.; Maier, Thomas A.

doi:10.1103/PhysRevLett.114.107002

Title: Glide-plane symmetry and superconducting gap structure of iron-based superconductors

Journal Article · Tue Mar 10 00:00:00 EDT 2015 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.114.107002· OSTI ID:1213318

Wang, Yan ^[1]; Berlijn, Tom ^[2]; Hirschfeld, Peter J. ^[3]; Scalapino, Douglas J. ^[4]; Maier, Thomas A. ^[2]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States); Univ. of Florida, Gainsville, FL (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Univ. of Florida, Gainsville, FL (United States)
Univ. of California, Santa Barbara, CA (United States)

We consider the effect of glide-plane symmetry of the Fe-pnictogen/chalcogen layer in Fe-based superconductors on pairing in spin fluctuation models. Recent theories propose that so-called η-pairing states with nonzero total momentum can be realized and possess such exotic properties as odd parity spin singlet symmetry and time-reversal symmetry breaking. Here we show that when there is orbital weight at the Fermi level from orbitals with even and odd mirror reflection symmetry in z, η pairing is inevitable; however, we conclude from explicit calculation that the gap function appearing in observable quantities is identical to that found in earlier pseudocrystal momentum calculations with 1 Fe per unit cell.

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Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC05-00OR22725; FG02-05ER46236

OSTI ID:: 1213318

Alternate ID(s):: OSTI ID: 1180659

Journal Information:: Physical Review Letters, Vol. 114, Issue 10; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 18 works

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References (19)

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Cited By (4)

Low-energy microscopic models for iron-based superconductors: a review Fernandes, Rafael M.; Chubukov, Andrey V. Reports on Progress in Physics, Vol. 80, Issue 1 https://doi.org/10.1088/1361-6633/80/1/014503	journal	November 2016
Competing collinear magnetic structures in superconducting FeSe by first-principles quantum Monte Carlo calculations Busemeyer, Brian; Dagrada, Mario; Sorella, Sandro Physical Review B, Vol. 94, Issue 3 https://doi.org/10.1103/physrevb.94.035108	journal	July 2016
Competing collinear magnetic structures in superconducting FeSe by first principles quantum Monte Carlo calculations Busemeyer, Brian; Dagrada, Mario; Sorella, Sandro arXiv https://doi.org/10.48550/arxiv.1602.02054	text	January 2016
Low-energy microscopic models for iron-based superconductors: a review Fernandes, Rafael M.; Chubukov, Andrey V. arXiv https://doi.org/10.48550/arxiv.1607.00865	text	January 2016

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