BV formalism
1 The BV action
where was defined previously
| section of | case of flat worldsheet | comment | ||
constraint: | |||||
is antifield of | |||||
super-diffeomorphism ghost |
It would seem to be natural to use , instead of , to denote the antifield of . But in practice such a notation turns out to be absolutely disastrous.
The previously discussed local rescaling symmetries of
are extended to the BV action:
2 Relation to standard notations for antifields
is an auxiliary field, and we will integrate it out. In other words, the only dynamical component of is . When we insert some operator, we should take care to only insert via the combination .
We are left with and . In PerturbativeSuperstringTheoryRevisited, is called and is called ; we agree with their Equation (3.20).
3 BV Hamiltonian vector in flat point
BV Hamiltonian | generates |