Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2012-01-09
JHEP 1203:030,2012
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX2e, 34 pages, no figures; v2: typos corrected
Scientific paper
10.1007/JHEP03(2012)030
The WZW form of open superstring field theory has linearized gauge invariances associated with the BRST operator Q and the zero mode eta_0 of the picture minus-one fermionic superconformal ghost. We discuss gauge fixing of the free theory in a simple class of gauges using the Faddeev-Popov method. We find that the world-sheet ghost number of ghost and antighost string fields ranges over all integers, except one, and at any fixed ghost number, only a finite number of picture numbers appear. We calculate the propagators in a variety of gauges and determine the field-antifield content and the free master action in the Batalin-Vilkovisky formalism. Unlike the case of bosonic string field theory, the resulting master action is not simply related to the original gauge-invariant action by relaxing the constraint on the ghost and picture numbers.
Kroyter Michael
Okawa Yuji
Schnabl Martin
Torii Shingo
Zwiebach Barton
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