SFT on separated D-branes and D-brane translation

Details SFT on separated D-branes and D-brane translation SFT on separated D-branes and D-brane translation

2012-03-16

arxiv.org/abs/1203.3805v1

Physics

High Energy Physics

High Energy Physics - Theory

25 pages

Scientific paper

We discuss novel properties of the string field and the Open String Field Theory action arising in a system with multiple D-branes, then use the level truncation scheme to study marginal deformations and tachyon condensation in a system with two parallel but separated branes. We find string fields corresponding to D-brane decay combined with a finite change in the distance between the two D-branes. Using D-brane separation as a yardstick, we are able to continuously control the spacetime displacement of the D-branes and find that our solutions exist only for a finite range of this displacement. Thus, at least in level truncation, Open String Field Theory seems unable to describe the entire CFT moduli space.

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