Strong interband interaction in the excitonic insulator phase of Ta2NiSe5
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DOI: 10.1103/physrevb.99.075408
Abstract: Excitonic insulator (EI) was proposed in 60's as a distinct insulating state originating from pure electronic interaction, but its material realization has been elusive with extremely few material candidates and with only limited evidence such… read more here.
Keywords: strong interband; excitonic insulator; interband interaction; insulator ... See more keywords