Stability of φ^{4}-vector model: Four-loop ε expansion study.
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DOI: 10.1103/physreve.107.024133
Abstract: In most papers, φ^{4}-field theory with the vector (d-component) field φ_{α} is considered as a particular case of the n-component field model for n=d and O(n) symmetry. However, in such a model the symmetry O(d)… read more here.
Keywords: stability vector; four loop; vector model; stability ... See more keywords