Stress-Tensor Commutator in CFT near the Lightcone

23 Sep 2019  ·  Huang Kuo-Wei ·

Starting with the general stress-tensor commutation relations consistent with the Poincar\'e algebra in local quantum field theory, we impose the tracelessness condition and focus on the dominating contributions in the lightcone limit. It is shown that, under a certain assumption on the Schwinger term, a Virasoro-algebra-like structure emerges near the lightcone in $d>2$ conformal field theories...

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High Energy Physics - Theory