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Advances in Physical Chemistry

Volume 2011 (2011), Article ID 868610, 11 pages

http://dx.doi.org/10.1155/2011/868610

Research Article

## Exchange Perturbation Theory for Multiatomic Electron System and Its Application to Spin Arrangement in Manganite Chains

^{1}Theoretical Physics Department, St. Petersburg State Polytechnic University, 29 Polytechnicheskaya, St. Petersburg 195251, Russia^{2}Solid State Electronic Sector, Ioffe Physical Technical Institute, 26 Polytechnicheskaya, St. Petersburg 194021, Russia

Received 19 September 2010; Revised 21 December 2010; Accepted 14 February 2011

Academic Editor: Lowell D. Kispert

Copyright © 2011 E. V. Orlenko et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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