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- W2007666948 abstract "This article presents a theory of scalar quantum fields based on nonstandard analysis. Free scalar momentum fields and free Klein–Gordon fields are treated first. It is shown that the nonrigorous formalism of the standard theory can be replaced by a mathematically rigorous nonstandard theory. The second quantized energy–momentum operators are derived and the free quantum fields are diagonalized. Interacting scalar fields are considered and a nonstandard scattering operator is derived. A nonstandard counterpart to Wick’s theorem is developed and the φ4 interaction is briefly discussed." @default.
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- W2007666948 title "Nonstandard scalar quantum fields" @default.
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- W2007666948 doi "https://doi.org/10.1063/1.530450" @default.
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