BRST Ward identity
= BRST Ward identity
{c}
For a BRST-invariant action and <functional measure>, the expectation of a BRST-exact insertion vanishes: $\langle QX\rangle=0$, subject to anomaly and boundary qualifications.
= BRST Ward identity
{c}
For a BRST-invariant action and <functional measure>, the expectation of a BRST-exact insertion vanishes: $\langle QX\rangle=0$, subject to anomaly and boundary qualifications.