Novel Extrapolation for Strong Coupling Expansions

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dc.creatorSchmidt, K. P.
dc.creatorKnetter, C.
dc.creatorUhrig, G. S.
dc.date2002-08-19
dc.date.accessioned2026-07-07T02:46:53Z
dc.date.available2026-07-07T02:46:53Z
dc.descriptionWe present a novel extrapolation scheme for high order series expansions. The idea is to express the series, obtained in orders of an external variable, in terms of an internal parameter of the system. Here we apply this method to the 1-triplet dispersion in an antiferromagnetic $S=1/2$ Heisenberg ladder. By the use of the internal parameter the accuracy of the truncated series is enhanced tremendously.
dc.description4 pages, 2 figures, submitted to the proceedings of the International Conference on Strongly Correlated Electron Systems SCES'02 (10-13 July, 2002, Krakow, Poland)
dc.identifierhttps://arxiv.org/abs/cond-mat/0208358
dc.identifierhttp://arxiv.org/abs/cond-mat/0208358
dc.identifierActa Phys. Pol. B 34, 1481 (2003)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19802
dc.subjectStrongly Correlated Electrons
dc.titleNovel Extrapolation for Strong Coupling Expansions
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