Abstract
We show that a-gauge, a class of covariant gauges developed for bosonic open string field theory, is consistently applied to the closed string field theory. A covariantly gauge-fixed action of massless fields can be systematically derived from a-gauge-fixed action of string field theory.
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Asano, M., Kato, M. Closed string field theory in a-gauge. J. High Energ. Phys. 2012, 121 (2012). https://doi.org/10.1007/JHEP09(2012)121
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DOI: https://doi.org/10.1007/JHEP09(2012)121