Geodesic
Pure gauge configurations and tachyon solutions for cubic fermionic string field theory equations of motion
Teoretičeskaâ i matematičeskaâ fizika, Tome 161 (2009) no. 1, pp. 63-73

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Special perturbative pure gauge solutions parameterized by a pair of wedge states are parts of the nontrivial (not purely gauge) tachyon solutions of the cubic fermionic string field theory describing the non-BPS brane true vacuum. We demonstrate explicitly that for the large parameter of the perturbation expansion, these pure gauge configurations are no longer solutions of the equations of motion. We show that this problem is solved by adding an extra term that is just the term needed for the first Sen conjecture to hold.
Keywords: string field theory, tachyon condensation
Mots-clés : $D$-brane. 
@article{TMF_2009_161_1_a4,
     author = {I. Ya. Aref'eva and R. V. Gorbachev and D. A. Grigor'ev and P. N. Khromov and P. B. Medvedev},
     title = {Pure gauge configurations and tachyon solutions for cubic fermionic string field theory equations of motion},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {63--73},
     publisher = {mathdoc},
     volume = {161},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_161_1_a4/}
}
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I. Ya. Aref'eva; R. V. Gorbachev; D. A. Grigor'ev; P. N. Khromov; P. B. Medvedev. Pure gauge configurations and tachyon solutions for cubic fermionic string field theory equations of motion. Teoretičeskaâ i matematičeskaâ fizika, Tome 161 (2009) no. 1, pp. 63-73. http://geodesic.mathdoc.fr/item/TMF_2009_161_1_a4/