Application of Contractor Renormalization Group (CORE) to the Heisenberg zig-zag and the Hubbard chain

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dc.creatorCichy, Krzysztof
dc.creatorTomczak, Piotr
dc.date2008-05-14
dc.date.accessioned2026-07-07T09:39:01Z
dc.date.available2026-07-07T09:39:01Z
dc.descriptionThe COntractor REnormalization group method was devised in 1994 by Morningstar and Weinstein. It was primarily aimed at extracting the physics of lattice quantum field theories (like lattice Quantum Chromodynamics). However, it is a general method of analyzing Hamiltonian lattice systems, e.g. Ising, Heisenberg or Hubbard models. The aim of this work is to show the application of CORE to one-dimensional quantum systems -- the Heisenberg zig-zag model and the Hubbard chain. As a test of the method, the ground state energy of these systems will be calculated.
dc.description10 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0805.2171
dc.identifierhttp://arxiv.org/abs/0805.2171
dc.identifierActa Physica Polonica A, Vol. 111 (2007), No. 5, 773-780
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/161020
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleApplication of Contractor Renormalization Group (CORE) to the Heisenberg zig-zag and the Hubbard chain
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