Controlled finite momentum pairing and spatially varying order parameter in proximitized HgTe quantum wells

Hart, Sean; Ren, Hechen; Kosowsky, Michael; Ben-Shach, Gilad; Leubner, Philipp; Brüne, Christoph; Buhmann, Hartmut; Molenkamp, Laurens W.; Halperin, Bertrand I.; Yacoby, Amir

doi:10.1038/nphys3877

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Controlled finite momentum pairing and spatially varying order parameter in proximitized HgTe quantum wells

Author(s): Sean Hart , Hechen Ren , Michael Kosowsky , Gilad Ben-Shach , Philipp Leubner , Christoph Brüne , Hartmut Buhmann , Laurens W. Molenkamp , Bertrand I. Halperin , Amir Yacoby

Publication date Created: September 19 2016

Publication date (Print): September 19 2016

Journal: Nature Physics

Publisher: Springer Nature

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Abstract

The interplay between spin physics and superconductivity is examined in HgTe quantum wells, revealing a tunable momentum of the Cooper pairs that drives changes in their superconducting behaviour.