Geodesic
New approach to vacuum string field theory
Teoretičeskaâ i matematičeskaâ fizika, Tome 179 (2014) no. 3, pp. 360-366

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We discuss the possibility of applying a purely ghost kinetic operator in open string field theory from the perspective of a modern analytic method based on the $KBc$ subalgebra. A purely ghost kinetic operator is obtained as a result of gauge fixing string field theory around the identity-based tachyon vacuum solution. We show that the obtained kinetic operator is not equivalent to the midpoint insertion of a conformal ghost, to which an extensive literature is devoted. We also show that the equation of motion does not admit nontrivial solutions.
Keywords: string field theory, tachyon condensation
Mots-clés : D-brane. 
@article{TMF_2014_179_3_a4,
     author = {S. Zeze},
     title = {New approach to vacuum string field theory},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {360--366},
     publisher = {mathdoc},
     volume = {179},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_179_3_a4/}
}
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S. Zeze. New approach to vacuum string field theory. Teoretičeskaâ i matematičeskaâ fizika, Tome 179 (2014) no. 3, pp. 360-366. http://geodesic.mathdoc.fr/item/TMF_2014_179_3_a4/