Entanglement in a first order quantum phase transition

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dc.creatorVidal, J.
dc.creatorMosseri, R.
dc.creatorDukelsky, J.
dc.date2003-12-04
dc.date.accessioned2026-07-07T06:33:55Z
dc.date.available2026-07-07T06:33:55Z
dc.descriptionThe phase diagram of spins 1/2 embedded in a magnetic field mutually interacting antiferromagnetically is determined. Contrary to the ferromagnetic case where a second order quantum phase transition occurs, a first order transition is obtained at zero field. The spectrum is computed for a large number of spins and allows one to study the ground state entanglement properties which displays a jump of its concurrence at the critical point.
dc.description4 pages, 3 EPS figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0312130
dc.identifierhttp://arxiv.org/abs/cond-mat/0312130
dc.identifierPhys. Rev. A 69, 054101 (2004)
dc.identifierdoi:10.1103/PhysRevA.69.054101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/99358
dc.subjectStrongly Correlated Electrons
dc.subjectQuantum Physics
dc.titleEntanglement in a first order quantum phase transition
dc.typetext

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