Abstract
The WZW form of open superstring field theory has linearized gauge invariances associated with the BRST operator Q and the zero mode η 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.
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ArXiv ePrint: 1201.1761
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Kroyter, M., Okawa, Y., Schnabl, M. et al. Open superstring field theory I: gauge fixing, ghost structure, and propagator. J. High Energ. Phys. 2012, 30 (2012). https://doi.org/10.1007/JHEP03(2012)030
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DOI: https://doi.org/10.1007/JHEP03(2012)030