Tuning Kinetic Magnetism of Strongly Correlated Electrons via Staggered Flux

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dc.creatorWang, Yi-Fei
dc.creatorGong, Chang-De
dc.creatorWang, Z. D.
dc.date2007-06-29
dc.date.accessioned2026-07-07T09:18:22Z
dc.date.available2026-07-07T09:18:22Z
dc.descriptionWe explore the kinetic magnetism of the infinite-$U$ repulsive Hubbard models at low hole densities on various lattices with nearest-neighbor hopping integrals modulated by a staggered magnetic flux $\pmϕ$. Tuning $ϕ$ from 0 to $π$ makes the ground state (GS) change from a Nagaoka-type ferromagnetic state to a Haerter-Shastry-type antiferromagnetic state at a critical $ϕ_c$, with both states being of kinetic origin. Intra-plaquette spin correlation, as well as the GS energy, signals such a quantum criticality. This tunable kinetic magnetism is generic, and appears in chains, ladders and two-dimensional lattices with squares or triangles as elementary constituents.
dc.description4 pages, 5 figures, 1 table
dc.identifierhttps://arxiv.org/abs/0706.4423
dc.identifierhttp://arxiv.org/abs/0706.4423
dc.identifierPhys. Rev. Lett. 100, 037202 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.037202
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/153998
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleTuning Kinetic Magnetism of Strongly Correlated Electrons via Staggered Flux
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