Invariants, characteristics and global geometry of large-n renormalisation group trajectories
- 11 March 1987
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 20 (4) , L197-L202
- https://doi.org/10.1088/0305-4470/20/4/003
Abstract
A procedure is described for constructing invariants, characteristics, and non-linear scaling fields for large-n differential renormalisation group (RG) equations. Explicit solutions are derived for the Ginsburg-Landau-Wilson and time-dependent Ginsburg-Landau models. The characteristics facilitate a natural geometric representation of the RG trajectories which, for the static case, takes the form of two-dimensional solution surfaces.Keywords
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