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Evidence for a topological excitonic insulator in InAs/GaSb bilayers
oleh: Lingjie Du, Xinwei Li, Wenkai Lou, Gerard Sullivan, Kai Chang, Junichiro Kono, Rui-Rui Du
Format: | Article |
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Diterbitkan: | Nature Portfolio 2017-12-01 |
Deskripsi
Weakly bound electron–hole pairs may condensate in two-dimensional systems, but experimental evidence has been lacking. Here, Du et al. report optical spectroscopic and electronic transport evidences for the formation of an excitonic insulator gap in topological InAs/GaSb quantum wells.