| Hauptseite > Publikationsdatenbank > Evidence for singular-phonon-induced nematic superconductivity in a topological superconductor candidate Sr0.1Bi2Se3 > print |
| 001 | 863567 | ||
| 005 | 20210130002210.0 | ||
| 024 | 7 | _ | |a 10.1038/s41467-019-10942-2 |2 doi |
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| 100 | 1 | _ | |a Wang, Jinghui |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Evidence for singular-phonon-induced nematic superconductivity in a topological superconductor candidate Sr0.1Bi2Se3 |
| 260 | _ | _ | |a [London] |c 2019 |b Nature Publishing Group UK |
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| 520 | _ | _ | |a Superconductivity mediated by phonons is typically conventional, exhibiting a momentumindependents-wave pairing function, due to the isotropic interactions between electrons andphonons along different crystalline directions. Here, by performing inelastic neutron scattering measurements on a superconducting single crystal of Sr0.1Bi2Se3, a prime candidate forrealizing topological superconductivity by doping the topological insulator Bi2Se3, we find thatthere exist highly anisotropic phonons, with the linewidths of the acoustic phonons increasingsubstantially at long wavelengths, but only for those along the [001] direction. This observationindicates a large and singular electron-phonon coupling at small momenta, which wepropose to give rise to the exotic p-wave nematic superconducting pairing in the MxBi2Se3(M = Cu, Sr, Nb) superconductor family. Therefore, we show these superconductors to beexample systems where electron-phonon interaction can induce more exotic superconductingpairing than the s-wave, consistent with the topological superconductivity.https://doi.org/10.1038/s41467-019-10942-2 OPEN |
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| 700 | 1 | _ | |a Li, Shichao |0 P:(DE-HGF)0 |b 2 |
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| 700 | 1 | _ | |a Bao, Song |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Cai, Zhengwei |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Zhang, Youtian |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Nakajima, Kenji |0 0000-0003-2085-3425 |b 7 |
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| 700 | 1 | _ | |a Savrasov, Sergey Y. |0 P:(DE-HGF)0 |b 11 |
| 700 | 1 | _ | |a Wan, Xiangang |0 P:(DE-HGF)0 |b 12 |
| 700 | 1 | _ | |a Wen, Jinsheng |0 0000-0001-5864-1466 |b 13 |e Corresponding author |
| 773 | _ | _ | |a 10.1038/s41467-019-10942-2 |g Vol. 10, no. 1, p. 2802 |0 PERI:(DE-600)2553671-0 |n 1 |p 2802 |t Nature Communications |v 10 |y 2019 |x 2041-1723 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/863567/files/2019-JinghuiWang-NatureComm.-10-2802.pdf |y OpenAccess |
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