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Results tagged with quantum-field-theory
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user 68927
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.
13
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1
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Mathematical construction of $\phi^4$ Euclidean field theory
One possible approach to constructive field theory is to define it on a lattice and take the scaling limit, and there are famous results stating that in $d\geq4$ this cannot lead to a non-trivial theo …
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