On the possibility of excitonic phases at the semiconductor–semimetal transition

Motivated by recent experimental evidences for pressure-induced exciton condensation in intermediate valent Tm[Se,Te] compounds, we re-examine, adopting a BEC–BCS crossover scenario, the formation and stability of exciton insulator versus electron–hole liquid phases.

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Veröffentlicht in:	Superlattices and microstructures 2008-05, Vol.43 (5), p.512-517
Hauptverfasser:	Bronold, Franz X., Fehske, Holger
Format:	Artikel
Sprache:	eng
Schlagworte:	BEC–BCS transition Electron–hole liquid Excitonic insulator
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description	Motivated by recent experimental evidences for pressure-induced exciton condensation in intermediate valent Tm[Se,Te] compounds, we re-examine, adopting a BEC–BCS crossover scenario, the formation and stability of exciton insulator versus electron–hole liquid phases.
doi_str_mv	10.1016/j.spmi.2007.07.018
format	Article
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source	Elsevier ScienceDirect Journals
subjects	BEC–BCS transition Electron–hole liquid Excitonic insulator
title	On the possibility of excitonic phases at the semiconductor–semimetal transition
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