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http://hdl.handle.net/2445/9725
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Klein, D. J. | cat |
dc.contributor.author | García Bach, Ma. de los Ángeles | cat |
dc.date.accessioned | 2009-10-20T10:58:41Z | - |
dc.date.available | 2009-10-20T10:58:41Z | - |
dc.date.issued | 1979 | cat |
dc.identifier.issn | 0163-1829 | cat |
dc.identifier.uri | http://hdl.handle.net/2445/9725 | - |
dc.description.abstract | Ground-state instability to bond alternation in long linear chains is considered from the point of view of valence-bond (VB) theory. This instability is viewed as the consequence of a long-range order (LRO) which is expected if the ground state is reasonably described in terms of the Kekulé states (with nearest-neighbor singlet pairing). It is argued that the bond alternation and associated LRO predicted by this simple, VB picture is retained for certain linear Heisenberg models; many-body VB calculations on spin s=1 / 2 and s=1 chains are carried out in a test of this argument. | eng |
dc.format.extent | 10 p. | cat |
dc.format.mimetype | application/pdf | eng |
dc.language.iso | eng | eng |
dc.publisher | The American Physical Society | eng |
dc.relation.isformatof | Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.19.877 | cat |
dc.relation.ispartof | Physical Review B, 1979, vol. 19, núm. 2, p. 877-886. | eng |
dc.relation.uri | http://dx.doi.org/10.1103/PhysRevB.19.877 | - |
dc.rights | (c) The American Physical Society, 1979 | eng |
dc.source | Articles publicats en revistes (Física de la Matèria Condensada) | - |
dc.subject.classification | Magnetisme | cat |
dc.subject.classification | València (Química) | cat |
dc.subject.classification | Clústers | cat |
dc.subject.other | Magnetism | eng |
dc.subject.other | Valence (Theoretical chemistry) | eng |
dc.subject.other | Clústers | eng |
dc.title | Variational localized-site cluster expansions. X. Dimerization in linear Heisenberg chains | eng |
dc.type | info:eu-repo/semantics/article | eng |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 3447 | cat |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
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