First principles based theory of magnetic impurities embedded onto the surface of superconducting host, an application to FeNb(110)
ORAL
Abstract
magnetic impurities on superconducting surfaces and multilayers. We show, how the Green's function embedding technique, commonplace in multiple scattering theory, can be extended to the fully relativistic
Bogoliubov-de Gennes equation in such systems. We use the resulting
theory to study the Yu-Shiba-Rusinov (YSR) states in atomic chains of Fe
on top of Re and Nb surfaces, and compare our results to recent
experimental findings and previous tight-binding calculations. We also
investigate the formation of the YSR states in the presence of different
magnetic configurations and study the effect of spin-orbit coupling as
well.
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Presenters
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Bendegúz Nyári
Department of Theoretical Physics, Budapest University of Technology and Economics, P.O. Box 91, H-1521 Budapest, Hungary, Department of Theoretical Physics, Budapest University of Technology and Economics, Hungary
Authors
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Bendegúz Nyári
Department of Theoretical Physics, Budapest University of Technology and Economics, P.O. Box 91, H-1521 Budapest, Hungary, Department of Theoretical Physics, Budapest University of Technology and Economics, Hungary
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Balazs Ujfalussy
Wigner Research Centre for Physics, Wigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, Hungary
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László Szunyogh
Budapest University of Technology and Economics, Department of Theoretical Physics, Budapest University of Technology and Economics, Department of Theoretical Physics, Budapest University of Technology and Economics, P.O. Box 91, H-1521 Budapest, Hungary, Department of Theoretical Physics, Budapest University of Technology and Economics, Hungary
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András Lászlóffy
Wigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, Hungary
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Kyungwha Park
Physics, Virginia Tech, Virginia Tech, Department of Physics, Virginia Tech, Blacksburg, Virginia 24061, USA