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Teoreticheskaya i Matematicheskaya Fizika, 2010, Volume 162, Number 2, Pages 216–226
DOI: https://doi.org/10.4213/tmf6465 (Mi tmf6465) 		 
This article is cited in 7 scientific papers (total in 7 papers)

Cluster perturbation theory for spin Hamiltonians

A. S. Ovchinnikov, I. G. Bostrem, Vl. E. Sinitsyn

Ural State University, Ekaterinburg, Russia
Full-text PDF (630 kB) Citations (7)
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DOI: https://doi.org/10.4213/tmf6465
Abstract: We extend cluster perturbation theory to quantum spin systems. As an application, we calculate the spectral function and the density of states of one-particle excitations of a chain of spin 1/2 particles with alternating exchange interaction.
Keywords: cluster perturbation theory, singlet magnetics, spin chain.
Received: 04.08.2009
English version:
Theoretical and Mathematical Physics, 2010, Volume 162, Issue 2, Pages 179–187
DOI: https://doi.org/10.1007/s11232-010-0013-7
Bibliographic databases:
Language: Russian
Citation: A. S. Ovchinnikov, I. G. Bostrem, Vl. E. Sinitsyn, “Cluster perturbation theory for spin Hamiltonians”, TMF, 162:2 (2010), 216–226; Theoret. and Math. Phys., 162:2 (2010), 179–187
Citation in format AMSBIB
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    • This publication is cited in the following 7 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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