Analysis of entropy of XY Spin Chain

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dc.creatorFranchini, F.
dc.creatorIts, A. R.
dc.creatorJin, B. -Q.
dc.creatorKorepin, V. E.
dc.date2006-06-29
dc.date.accessioned2026-07-07T08:34:02Z
dc.date.available2026-07-07T08:34:02Z
dc.descriptionEntanglement in the ground state of the XY model on the infinite chain can be measured by the von Neumann entropy of a block of neighboring spins. We study a double scaling limit: the size of the block is much larger then 1 but much smaller then the length of the whole chain. In this limit, the entropy of the block approaches a constant. The limiting entropy is a function of the anisotropy and of the magnetic field. The entropy reaches minima at product states and increases boundlessly at phase transitions.
dc.description6 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/quant-ph/0606240
dc.identifierhttp://arxiv.org/abs/quant-ph/0606240
dc.identifierProceedings of the Third Feynman Workshop, 2006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139297
dc.subjectQuantum Physics
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Theory
dc.titleAnalysis of entropy of XY Spin Chain
dc.typetext

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