Magnetic field tuning of an excitonic insulator between the weak and strong coupling regimes in quantum limit graphite

Abstract The excitonic insulator phase has long been predicted to form in proximity to a band gap opening in the underlying band structure. The character of the pairing is conjectured to crossover from weak (BCS-like) to strong coupling (BEC-like) as the underlying band structure is tuned from the m...

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Autores principales: Z. Zhu, R. D. McDonald, A. Shekhter, B. J. Ramshaw, K. A. Modic, F. F. Balakirev, N. Harrison
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/90bde4c22cf34d78a530c62735ec8ca6
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