Electronic Mechanism for the Coexistence of Ferroelectricity and Ferromagnetism

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dc.creatorBatista, C. D.
dc.creatorGubernatis, J. E.
dc.creatorYin, Wei-Guo
dc.date2005-08-03
dc.date2005-10-19
dc.date.accessioned2026-07-07T06:41:31Z
dc.date.available2026-07-07T06:41:31Z
dc.descriptionWe study the strong coupling limit of a two-band Hubbard Hamiltonian that also includes an inter-orbital on-site repulsive interaction $U_{ab}$. When the two bands have opposite parity and are quarter filled, we prove that the ground state is simultaneously ferromagnetic and ferroelectric for infinite intra-orbital Coulomb interactions $U_{aa}$ and $U_{bb}$. We also show that this coexistence leads to a singular magnetoelectric effect.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0508113
dc.identifierhttp://arxiv.org/abs/cond-mat/0508113
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101692
dc.subjectStrongly Correlated Electrons
dc.titleElectronic Mechanism for the Coexistence of Ferroelectricity and Ferromagnetism
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