Convergence of Feynman diagram expansions in the Ising model
Teoretičeskaâ i matematičeskaâ fizika, Tome 30 (1977) no. 1, pp. 138-141
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Estimates for vertex factors of the Feynman graphs in the Ising model are obtained. These estimates demonstrate the existence of some simple divergent subsequences of diagrams.
@article{TMF_1977_30_1_a15,
author = {N. M. Bogolyubov},
title = {Convergence {of~Feynman} diagram expansions {in~the~Ising} model},
journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
pages = {138--141},
year = {1977},
volume = {30},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TMF_1977_30_1_a15/}
}
N. M. Bogolyubov. Convergence of Feynman diagram expansions in the Ising model. Teoretičeskaâ i matematičeskaâ fizika, Tome 30 (1977) no. 1, pp. 138-141. http://geodesic.mathdoc.fr/item/TMF_1977_30_1_a15/
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