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Results tagged with quantum-field-theory
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user 149765
For questions about mathematical problems arising from quantum field theory, the branch of physics which describes subatomic particles and their interactions in terms of perturbations of the corresponding scalar, vector or tensor fields.
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Integration of a particular quartic form
I would like to solve the following integral:
\begin{equation}
\int \prod_i d x_i e^{a x_i^2 + b x_i^4 + c x_i^2 x^2_{i+1}}
\end{equation}
This integral can be for sure lead back to a common gaussi …
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