Reshaped Weyl fermionic dispersions driven by Coulomb interactions in MoTe2
Seoung-Hun Kang,
Sangjun Jeon,
Hyun-Jung Kim
et al.
Abstract:We report the direct evidence of impacts of the Coulomb interaction in a prototypical Weyl semimetal, MoTe2, that alter its bare bands in a wide range of energy and momentum. Our quasiparticle interference patterns measured using scanning tunneling microscopy are shown to match the joint density of states of quasiparticle energy bands including momentum-dependent self-energy corrections, while electronic energy bands based on the other simpler local approximations of the Coulomb interaction fail to explain nei… Show more
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