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  Surface State Tunneling Signatures in the Two-Component Superconductor UPt3

Lambert, F., Akbari, A., Thalmeier, P., & Eremin, I. (2017). Surface State Tunneling Signatures in the Two-Component Superconductor UPt3. Physical Review Letters, 118(8): 087004, pp. 1-5. doi:10.1103/PhysRevLett.118.087004.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-E085-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-B8B6-3
Genre: Journal Article

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 Creators:
Lambert, Fabian1, Author
Akbari, Alireza1, Author
Thalmeier, Peter2, Author              
Eremin, Ilya1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Peter Thalmeier, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863457              

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 Abstract: Quasiparticle interference (QPI) imaging of Bogoliubov excitations in quasi-two-dimensional unconventional superconductors has become a powerful technique for measuring the superconducting gap and its symmetry. Here, we present the extension of this method to three-dimensional superconductors and analyze the expected QPI spectrum for the two-component heavy-fermion superconductor UPt3 whose gap structure is still controversial. Starting from a 3D electronic structure and the three proposed chiral gap models E1(g,u) or E-2u, we perform a slab calculation that simultaneously gives extended bulk states and topologically protected in-gap dispersionless surface states. We show that the number of Weyl arcs and their hybridization with the line node provides a fingerprint that may finally determine the true nodal structure of the UPt3 superconductor.

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Language(s): eng - English
 Dates: 2017-02-242017-02-24
 Publication Status: Published in print
 Pages: -
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 118 (8) Sequence Number: 087004 Start / End Page: 1 - 5 Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1