On the triviality of λϕd4 theories and the approach to the critical point in d(−) > 4 dimensions
作者： Jürg Fröhlich
DOI: 10.1016/0550-3213(82)90088-8
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摘要: Abstract It is shown that one- and two-component λ|ϕ|4 theories non-linear σ-models in five or more dimensions approach free generalized fields the continuum (scaling) limit, four same result holds, provided there infinite field strength renormalization, as expected. Some critical exponents for lattice are to be mean field. The main tools Symanzik's polymer representation of scalar correlation inequalities.
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