Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-05-10
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, no figures, corrected typos and references
Scientific paper
Guided by idealized but soluble nonrenormalizable models, a nontraditional proposal for the quantization of covariant scalar field theories is advanced, which achieves a term-by-term, divergence-free perturbation analysis of interacting models expanded about a suitable pseudofree theory (differing from a free theory by an $\hbar$ term). This procedure not only provides acceptable solutions for models for which no acceptable solution currently exists, e.g., $\phi^4_n$, for spacetime dimension $n\ge4$, but offers a new, divergence-free solution, for less-singular models as well, e.g., $\phi^4_n$, for $n=2,3$.
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