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Discovery of a topological exciton insulator with tunable momentum order

By Md Shafayat Hossain and others at
LogoBeijing Institute of Technology
and
LogoPrinceton University
Topology and correlations are fundamental concepts in modern physics, but their simultaneous occurrence within a single quantum phase is exceptionally rare. In this study, we present the discovery of such a phase of matter in Ta2Pd3Te5, a semimetal where the Coulomb interaction between electrons and holes leads to the spontaneous... Show more
December 26, 2023
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Discovery of a topological exciton insulator with tunable momentum order
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