Field theoretic approach to Gaussian-Heisenberg crossover behavior
- 1 June 1976
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 9 (6) , 961-973
- https://doi.org/10.1088/0305-4470/9/6/015
Abstract
The renormalization prescription of t'Hooft and Veltman (see Nucl. Phys., vol.B44, p.189 (1972)) is used to construct crossover scaling functions for the susceptibility and free energy in an isotropic n vector model. Some difficulties in interpreting the epsilon expansion in this context are discussed, and the formalism is illustrated by a calculation of the expansion factor alpha 2 of a polymer in dilute solution.Keywords
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