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Entanglement and quantum phase transition in the extended hubbard model

GU, Shi-Jian ; DENG, Shu-Sa ; LI, You-Quan ; LIN, Hai-Qing

Physical review letters, 2004-08, Vol.93 (8), p.086402.1-086402.4, Article 086402 [Periódico revisado por pares]

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Título:
Entanglement and quantum phase transition in the extended hubbard model
Autor: GU, Shi-Jian ; DENG, Shu-Sa ; LI, You-Quan ; LIN, Hai-Qing
Assuntos: Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Electron states ; Exact sciences and technology ; Lattice fermion models (Hubbard model, etc.) ; Physics ; Theories and models of many electron systems
É parte de: Physical review letters, 2004-08, Vol.93 (8), p.086402.1-086402.4, Article 086402
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: We study quantum entanglement in a one-dimensional correlated fermionic system. Our results show, for the first time, that entanglement can be used to identify quantum phase transitions in fermionic systems.
Editor: Ridge, NY: American Physical Society
Idioma: Inglês

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