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Results tagged with quantum-field-theory
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user 172237
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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Quantum fields and infinite tensor products
One way is to bypass (most) infinities altogether by going from a tensor product over an infinite number of modes to a tensor product over a finite number of modes. This is, effectively, what is done …
