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Results tagged with quantum-field-theory
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user 99789
Quantum Field Theory (QFT) is the theoretical framework describing the quantisation of classical fields which allows a Lorentz-invariant formulation of quantum mechanics. QFT is used both in high energy physics as well as condensed matter physics and closely related to statistical field theory. Use this tag for many-body quantum-mechanical problems and the theory of particle physics. Don’t combine with the [quantum-mechanics] tag.
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Photo pair production: differential cross section
'A' has units of $1/(momentum)^2$. So in order to make this compatible with the dimensions of B. Transform A as $ A \rightarrow \hbar^2 A $
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