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Entanglement in fermionic systems at a quantum phase transition

We consider recent results on the use of the single-site entanglement measure for identifying and characterizing a quantum phase transition in systems of interacting fermions. We discuss the extension of these results to fermionic models where the single-site entanglement may fail to signal a quantu...

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Bibliographic Details
Main Authors: Johannesson, H., Larsson, D.
Format: Article
Language:English
Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2007
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/7715
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