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6 votes
1 answer
199 views

Correspondence between mathematician's and physicist's vertex operator algebra (VOA)

I have some conceptual doubts to clear up, in terms of piecing together what we learn of a vertex operator algebra (VOA) in conformal field theory, and how it is defined by a mathematician, say from ...
GRNS's user avatar
  • 155
2 votes
3 answers
813 views

Why is a null field also primary, in CFT?

I do not understand how to prove the statement, mentioned in pag 205 of Di Francesco's book "Conformal Field Theory": Let $|\chi\rangle$ be a null vector, i.e. such that $L_n |\chi\rangle = 0$ for $n&...
giulio bullsaver's user avatar