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Topological phases, quantum criticality, and bulk entanglement in spin-1/2 XX chain with anisotropic three-spin interactions

We investigate the one-dimensional spin-1/2 XX chain with anisotropic three-spin interactions, which hosts four distinct topological phases separated by critical lines. Using exact fermionization, we analyze the spin squeezing parameter, entanglement entropy, and bulk entanglement spectrum to charac...

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Principais autores: Fatemeh Khastehdel Fumani, Hadi Cheraghi, Saeed Mahdavifar
Format: Artigo
Sprog:Inglês
Udgivet: Elsevier 2025-11-01
Serier:Results in Physics
Fag:
Spin chain system
Anisotropic three-spin interaction
Entanglement entropy
Squeezing parameter
Entanglement spectrum
Online adgang:http://www.sciencedirect.com/science/article/pii/S2211379725004000
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