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Tagged with wightman-fields quantum-mechanics
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What is the field map in 0+1-dimensional QFT?
I'm a beginner trying to learn something about the Wightman axioms. I got the idea that from an abstract Hilbert space and an abstract Hamiltonian operator, I should be able to produce a trivial ...
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2
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Wightman functions in quantum field theory
(Source of the 'theorem': click) Given a field $\Phi(x)$ with spin $s$ and its adjoint $\Phi^*(x)$, define the expectation values
\begin{align}
f(x-y)&:=\langle v,\Phi(x)\Phi^*(y)v\rangle, \\ ...
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