Sugawara theory

In theoretical physics, the Sugawara theory^[1] is a set of formulae and theorems that allow one to construct a stress–energy tensor of a specific type of conformal field theory from a bilinear expression involving currents:

$T_{zz}(z) \sim \sum_a j^a_z (z) j^a_z(z)$

References

1. Blumenhagen R. , Plauschinn E. (2009). Introduction to Conformal Field Theory with applications to string theory.