Two-electron correlated motion due to Coulomb repulsion

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dc.creatorGurvitz, S. A.
dc.date2002-03-26
dc.date.accessioned2026-07-07T02:44:50Z
dc.date.available2026-07-07T02:44:50Z
dc.descriptionA Hubbard-type model is derived from the microscopic Schrödinger equation. We found that additional terms describing direct two-electron transitions must be added to the standard Hubbard Hamiltonian. Such a Hamiltonian generates two-electron pairing due to on-site Coulomb repulsion. We demonstrate that the electron pairs with opposite spin propagate across periodic structures via direct and sequential two-electron tunneling. This mechanism can be used for a generation of entangled electron current. Numerical calculations show stability of the electron pairs.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0203545
dc.identifierhttp://arxiv.org/abs/cond-mat/0203545
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19088
dc.subjectCondensed Matter
dc.subjectChaotic Dynamics
dc.subjectQuantum Physics
dc.titleTwo-electron correlated motion due to Coulomb repulsion
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