Estimating phase transition of perturbed J1-J2 Heisenberg quantum chain in mixtures of ground and fi...
Estimating phase transition of perturbed J1-J2 Heisenberg quantum chain in mixtures of ground and first excited states
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Ithaca: Cornell University Library, arXiv.org
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English
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Ithaca: Cornell University Library, arXiv.org
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We show that the nearest neighbour entanglement in a mixture of ground and first excited states - a subjacent state - of the J1-J2 Heisenberg quantum spin chain can be used as an order parameter to detect the phase transition of the chain from a gapless spin fluid to a gapped dimer phase. We study the effectiveness of the order parameter for varyin...
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Estimating phase transition of perturbed J1-J2 Heisenberg quantum chain in mixtures of ground and first excited states
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TN_cdi_proquest_journals_2731286311
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2731286311
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E-ISSN
2331-8422
DOI
10.48550/arxiv.2211.00623
