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Wave-Function Hybridization in Yu-Shiba-Rusinov Dimers

Ruby, Michael and Heinrich, Benjamin W. and Peng, Yang and von Oppen, Felix and Franke, Katharina J. (2018) Wave-Function Hybridization in Yu-Shiba-Rusinov Dimers. Physical Review Letters, 120 (15). Art. No. 156803. ISSN 0031-9007. doi:10.1103/PhysRevLett.120.156803.

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Magnetic adsorbates on superconductors induce local bound states within the superconducting gap. These Yu-Shiba-Rusinov (YSR) states decay slowly away from the impurity compared to atomic orbitals, even in 3D bulk crystals. Here, we use scanning tunneling spectroscopy to investigate their hybridization between two nearby magnetic Mn adatoms on a superconducting Pb(001) surface. We observe that the hybridization leads to the formation of symmetric and antisymmetric combinations of YSR states. We investigate how the structure of the dimer wave functions and the energy splitting depend on the shape of the underlying monomer orbitals and the orientation of the dimer with respect to the Pb lattice.

Item Type:Article
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URLURL TypeDescription Paper
Peng, Yang0000-0002-8868-2928
Additional Information:© 2018 American Physical Society. Received 2 January 2018; published 11 April 2018. We gratefully acknowledge funding by the Deutsche Forschungsgemeinschaft through HE7368/2, FR2726/4, and CRC 183, as well as the ERC consolidator grant NanoSpin.
Group:Institute for Quantum Information and Matter, Walter Burke Institute for Theoretical Physics
Funding AgencyGrant Number
Deutsche Forschungsgemeinschaft (DFG)HE7368/2
Deutsche Forschungsgemeinschaft (DFG)FR2726/4
Deutsche Forschungsgemeinschaft (DFG)CRC 183
European Research Council (ERC)NanoSpin
Issue or Number:15
Record Number:CaltechAUTHORS:20180412-110335738
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85781
Deposited By: Tony Diaz
Deposited On:12 Apr 2018 20:24
Last Modified:15 Nov 2021 20:32

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