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Title: Ground state of the three-dimensional BCS d-wave superconductor

Journal Article · · Physical Review. B

We determine the mean-field ground state of the three-dimensional rotationally symmetric d-wave (ℓ = 2) superconductor at weak coupling. It is a noninert state, invariant under the symmetry C2 only, which breaks time-reversal symmetry almost maximally, and features a high but again less-than-maximal average magnetization. The state obtained by minimization of the expanded sixth-order Ginzburg–Landau free energy is found to be an excellent approximation to the true ground state. Here, the coupling to a parasitic s-wave component has only a minuscule quantitative and no qualitative effect on the ground state.

Research Organization:
Univ. of Maryland, College Park, MD (United States); Duke Univ., Durham, NC (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0019040; SC0019449
OSTI ID:
1613087
Alternate ID(s):
OSTI ID: 1560302
Journal Information:
Physical Review. B, Vol. 100, Issue 10; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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Cited By (1)

Bogoliubov Fermi surfaces stabilized by spin-orbit coupling journal December 2019