Momentum-resolved superconducting energy gaps of Sr2RuO4from quasiparticle interference imaging
نویسندگان
چکیده
منابع مشابه
Quasiparticle scattering interference in superconducting iron pnictides
Using both two orbital and five orbital models, we investigate the quasiparticle interference QPI patterns in the superconducting SC state of iron-based superconductors. We compare the results for nonmagnetic and magnetic impurities in sign-changed s-wave cos kx · cos ky and sign-unchanged cos kx · cos ky SC states. While the patterns strongly depend on the chosen band structure details, the se...
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Article history: Accepted 24 October 2009 Available online 30 October 2009
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A crucial step in revealing the nature of unconventional superconductivity is to investigate the symmetry of the superconducting order parameter. Scanning tunneling spectroscopy has proven a powerful technique to probe this symmetry by measuring the quasiparticle interference (QPI) which sensitively depends on the superconducting pairing mechanism. A particularly well-suited material to apply t...
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If strong electron-electron interactions between neighboring Fe atoms mediate the Cooper pairing in iron-pnictide superconductors, then specific and distinct anisotropic superconducting energy gaps Δ(i)(k) should appear on the different electronic bands i. Here, we introduce intraband Bogoliubov quasiparticle scattering interference (QPI) techniques for determination of Δ(i)(k) in such material...
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Magnetic Materials Laboratory, RIKEN (The Institute of Physical and Chemical Research), Wako 351-0198, Japan CREST, Japan Science and Technology Agency, Kawaguchi 332-0012, Japan LASSP, Department of Physics, Cornell University, Ithaca, New York 14853, USA CMPMS Department, Brookhaven National Laboratory, Upton, New York 11973, USA Département de Physique, Université de Sherbrooke, Sherbrooke, ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2020
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1916463117