Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions

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Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions. / Romer, Astrid T.; Hirschfeld, P. J.; Andersen, Brian M.

I: Physical Review B, Bind 104, Nr. 6, 064507, 20.08.2021.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Romer, AT, Hirschfeld, PJ & Andersen, BM 2021, 'Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions', Physical Review B, bind 104, nr. 6, 064507. https://doi.org/10.1103/PhysRevB.104.064507

APA

Romer, A. T., Hirschfeld, P. J., & Andersen, B. M. (2021). Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions. Physical Review B, 104(6), [064507]. https://doi.org/10.1103/PhysRevB.104.064507

Vancouver

Romer AT, Hirschfeld PJ, Andersen BM. Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions. Physical Review B. 2021 aug. 20;104(6). 064507. https://doi.org/10.1103/PhysRevB.104.064507

Author

Romer, Astrid T. ; Hirschfeld, P. J. ; Andersen, Brian M. / Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions. I: Physical Review B. 2021 ; Bind 104, Nr. 6.

Bibtex

@article{73658eeefcf34d3db297495fee84d817,
title = "Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions",
abstract = "The symmetry of the superconducting condensate in Sr2RuO4 remains controversial after recent experiments overturned the dominant chiral p-wave paradigm. We perform a theoretical study of pairing by spin- and chargefluctuations in Sr2RuO4, including the effects of spin-orbit coupling, and both local and longer-range Coulomb repulsion. The latter has important consequences for Sr2RuO4 due to the near-degeneracy of symmetry-distinct pairing states in this material. We find leading nodal s', d(xy), and helical (p) solutions, while both the g- and d(x2-y2)-wave channels remain noncompetitive. This suggests nodal time-reversal symmetry broken s'+ id(xy) or s,+ ip phases, promoted by longer-range Coulomb repulsion, as the most favorable candidates for Sr2RuO4. We analyze the properties of these states and show that the s'+ id(xy) solution agrees with the bulk of available experimental data.",
author = "Romer, {Astrid T.} and Hirschfeld, {P. J.} and Andersen, {Brian M.}",
year = "2021",
month = aug,
day = "20",
doi = "10.1103/PhysRevB.104.064507",
language = "English",
volume = "104",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Superconducting state of Sr2RuO4 in the presence of longer-range Coulomb interactions

AU - Romer, Astrid T.

AU - Hirschfeld, P. J.

AU - Andersen, Brian M.

PY - 2021/8/20

Y1 - 2021/8/20

N2 - The symmetry of the superconducting condensate in Sr2RuO4 remains controversial after recent experiments overturned the dominant chiral p-wave paradigm. We perform a theoretical study of pairing by spin- and chargefluctuations in Sr2RuO4, including the effects of spin-orbit coupling, and both local and longer-range Coulomb repulsion. The latter has important consequences for Sr2RuO4 due to the near-degeneracy of symmetry-distinct pairing states in this material. We find leading nodal s', d(xy), and helical (p) solutions, while both the g- and d(x2-y2)-wave channels remain noncompetitive. This suggests nodal time-reversal symmetry broken s'+ id(xy) or s,+ ip phases, promoted by longer-range Coulomb repulsion, as the most favorable candidates for Sr2RuO4. We analyze the properties of these states and show that the s'+ id(xy) solution agrees with the bulk of available experimental data.

AB - The symmetry of the superconducting condensate in Sr2RuO4 remains controversial after recent experiments overturned the dominant chiral p-wave paradigm. We perform a theoretical study of pairing by spin- and chargefluctuations in Sr2RuO4, including the effects of spin-orbit coupling, and both local and longer-range Coulomb repulsion. The latter has important consequences for Sr2RuO4 due to the near-degeneracy of symmetry-distinct pairing states in this material. We find leading nodal s', d(xy), and helical (p) solutions, while both the g- and d(x2-y2)-wave channels remain noncompetitive. This suggests nodal time-reversal symmetry broken s'+ id(xy) or s,+ ip phases, promoted by longer-range Coulomb repulsion, as the most favorable candidates for Sr2RuO4. We analyze the properties of these states and show that the s'+ id(xy) solution agrees with the bulk of available experimental data.

U2 - 10.1103/PhysRevB.104.064507

DO - 10.1103/PhysRevB.104.064507

M3 - Journal article

VL - 104

JO - Physical Review B

JF - Physical Review B

SN - 2469-9950

IS - 6

M1 - 064507

ER -

ID: 276905062