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Intheoretical physics, arational conformal field theory[1] is a special type oftwo-dimensional conformal field theory with a finite number of conformalprimaries. In these theories, all dimensions (and the central charge) arerational numbers that can be computed from the consistency conditions of conformal field theory. The most famous examples are the so-calledminimal models.
More generally,rational conformal field theory can refer to any CFT with a finite number of primary operators with respect to the action of its chiral algebra. Chiral algebras can be much larger than the Virasoro algebra. Well-known examples include (the enveloping algebra of)affine Lie algebras, relevant to theWess–Zumino–Witten model, andW-algebras.
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