Note on the Intermediate Field Representation of Phi²k Theory in Zero Dimension
classification
🧮 math-ph
math.MP
keywords
integralsrepresentationversionborel-leroycasecompletelycomplexconvergent
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This expanded version corrects some misprints of the first version, details completely the poof of Borel-Leroy summability and for $k=3$ in the complex case provides a new improved representation which relies on ordinary convergent Gaussian integrals rather than oscillatory integrals.
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