Moving Branes in Presence of the Background Tachyon Fields

Details Moving Branes in Presence of the Background Tachyon Fields Moving Branes in Presence of the Background Tachyon Fields

2011-06-10

arxiv.org/abs/1106.2097v1

Zh. Eksp. Theor. Phys. 140: 1096-1102, 2011 ; J. Exp. Theor. Phys. 113:956-962,2011

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, Latex, no figure

Scientific paper

10.1134/S106377611115009X

We compute the boundary state associated with a moving D$p$-brane in the presence of the open string tachyon field as a background field. The effect of the tachyon condensation on the boundary state will be discussed. It leads to a boundary state associated with a lower dimensional moving D-brane or a stationary instantonic D-brane. The former originates from condensation along the spatial directions and the latter comes from the temporal direction of the D-brane's worldvolume. Using the boundary state we also study the interaction amplitude between two arbitrary D$p_1$ and D$p_2$-branes. The long range behavior of the amplitude is investigated which shows an obvious deviation from the conventional form, due to the presence of the background tachyon field.

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