Tachyonic Kink and Lump-like Solutions in Superstring Field Theory

Details Tachyonic Kink and Lump-like Solutions in Superstring Field Theory Tachyonic Kink and Lump-like Solutions in Superstring Field Theory

2001-04-26

arxiv.org/abs/hep-th/0104230v2

JHEP 0105 (2001) 035

Physics

High Energy Physics

High Energy Physics - Theory

31 pages, 7 figures. v2: An error in eq.(46) has been corrected

Scientific paper

10.1088/1126-6708/2001/05/035

We construct a kink solution on a non-BPS D-brane using Berkovits' formulation of superstring field theory in the level truncation scheme. The tension of the kink reproduces 95% of the expected BPS D-brane tension. We also find a lump-like solution which is interpreted as a kink--antikink pair, and investigate some of its properties. These results may be considered as successful tests of Berkovits' superstring field theory combined with the modified level truncation scheme.

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