Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-10-08
JHEP 1103:081,2011
Physics
High Energy Physics
High Energy Physics - Theory
V1: 33p. V2: Added 3.3.2, with a fully RNS action at pictures 0 and 1/2, typos corrected, 36p. V3: Presentation improved in 2.
Scientific paper
10.1007/JHEP03(2011)081
We show that a partial gauge fixing of the NS sector of the democratic-picture superstring field theory leads to the non-polynomial theory. Moreover, by partially gauge fixing the Ramond sector we obtain a non-polynomial fully RNS theory at pictures 0 and 1/2. Within the democratic theory and in the partially gauge fixed theory the equations of motion of both sectors are derived from an action. We also discuss a representation of the non-polynomial theory analogous to a manifestly two-dimensional representation of WZW theory and the action of bosonic pure-gauge solutions. We further demonstrate that one can consistently gauge fix the NS sector of the democratic theory at picture number -1. The resulting theory is new. It is a Z_2 dual of the modified cubic theory. We construct analytical solutions of this theory and show that they possess the desired properties.
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