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Cited by 396

The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.

S-Wave Spin-Triplet Order in Superconductors without Inversion Symmetry:Li2Pd3BandLi2Pt3B

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Yuan, H. Q., Agterberg, D. F., Hayashi, N., Badica, P., Vandervelde, D., Togano, K., Sigrist, M., Salamon, M. B.·2006·Physical Review Letters
DOI 10.1103/physrevlett.97.017006
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Abstract

We investigate the order parameter of noncentrosymmetric superconductors ${\mathrm{Li}}_{2}{\mathrm{Pd}}_{3}\mathrm{B}$ and ${\mathrm{Li}}_{2}{\mathrm{Pt}}_{3}\mathrm{B}$ via the behavior of the penetration depth $\ensuremath{\lambda}(T)$. The low-temperature penetration depth shows BCS-like behavior in ${\mathrm{Li}}_{2}{\mathrm{Pd}}_{3}\mathrm{B}$, while in ${\mathrm{Li}}_{2}{\mathrm{Pt}}_{3}\mathrm{B}$ it follows a linear temperature dependence. We propose that broken inversion symmetry and the accompanying antisymmetric spin-orbit coupling, which admix spin-singlet and spin-triplet pairing, are responsible for this behavior. The triplet contribution is weak in ${\mathrm{Li}}_{2}{\mathrm{Pd}}_{3}\mathrm{B}$, leading to a wholly open but anisotropic gap. The significantly larger spin-orbit coupling in ${\mathrm{Li}}_{2}{\mathrm{Pt}}_{3}\mathrm{B}$ allows the spin-triplet component to be larger in ${\mathrm{Li}}_{2}{\mathrm{Pt}}_{3}\mathrm{B}$, producing line nodes in the energy gap as evidenced by the linear temperature dependence of $\ensuremath{\lambda}(T)$. The experimental data are in quantitative agreement with theory.

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Metadata

Authors
Yuan, H. Q., Agterberg, D. F., Hayashi, N., Badica, P., Vandervelde, D., Togano, K., Sigrist, M., & Salamon, M. B.
Venue
Physical Review Letters
Publisher
American Physical Society (APS)
Published
2006-07-07
Volume
97
Issue
1
Pages
017006-017006
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
DOI
10.1103/physrevlett.97.017006
OpenAlex
W3022771642
Cited by
396
References
18
FWCI
21.12
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: S-Wave Spin-Triplet Order in Superconductors without Inversion Symmetry:Li2Pd3BandLi2Pt3B. https://app.cochat.ai/papers/10.1103/physrevlett.97.017006
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Yuan, H. Q., Agterberg, D. F., Hayashi, N., Badica, P., Vandervelde, D., Togano, K., Sigrist, M., & Salamon, M. B. (2006). S-Wave Spin-Triplet Order in Superconductors without Inversion Symmetry:Li2Pd3BandLi2Pt3B. Physical Review Letters. https://doi.org/10.1103/physrevlett.97.017006

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