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arXiv · 0712.2377

High-order perturbative expansions of multi-parameter Phi^4 quantum field theories

Andrea Pelissetto·Ettore Vicari
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Abstract

We present high-order pertubative expansions of multi-parameter Phi^4 quantum field theories with an N-component fundamental field, containing up to 4th-order polynomials of the field. Multi-parameter Phi^4 theories generalize the simplest O(N)-symmetric Phi^4 theories, and describe more complicated symmetry breaking patterns. These notes collect several high-order perturbative series of physically interesting multi-parameter Phi^4 theories, to five or six loops. We consider the O(M)XO(N)-symmetric Phi^4 model, the so-called MN model, and a spin-density-wave Phi^4 model containing five quartic terms.

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Andrea Pelissetto, Ettore Vicari. 2007-12-14. High-order perturbative expansions of multi-parameter Phi^4 quantum field theories. https://arxiv.org/abs/0712.2377

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