Global Renormalization Group

Details Global Renormalization Group Global Renormalization Group

1997-12-15

arxiv.org/abs/hep-th/9712147v2

Phys.Rev. D58 (1998) 016002

Physics

High Energy Physics

High Energy Physics - Theory

LaTex, 39 pages. Final version, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.58.016002

The motivation and the challenge in applying the renormalization group for systems with several scaling regimes is briefly outlined. The four dimensional $\phi^4$ model serves as an example where a nontrivial low energy scaling regime is identified in the vicinity of the spinodal instability region. It is pointed out that the effective theory defined in the vicinity of the spinodal instability offers an amplification mechanism, a precursor of the condensation that can be used to explore nonuniversal forces at high energies.

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