Article ID Journal Published Year Pages File Type
1853231 Physics Letters B 2007 4 Pages PDF
Abstract
The 1/N expansion can be successfully used to calculate the Green functions of the two-dimensional O(2N) Gross-Neveu model. In parallel, the methods of analytic perturbation theory are also applied. Comparing the results of these two calculations at leading order, we report on the surprising agreement between them.
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Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics
Preview
Analytic perturbation theory versus 1/N expansion in the Gross-Neveu model
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