Tachyon Kink on non-BPS Dp-brane in the General Background
J. Kluson

TL;DR
This paper investigates the behavior of tachyon kinks on non-BPS Dp-branes within general backgrounds, demonstrating their dynamics align with D(p-1)-brane equations derived from DBI and WZ actions.
Contribution
It explicitly shows that tachyon kink dynamics on non-BPS Dp-branes in complex backgrounds are governed by D(p-1)-brane equations of motion.
Findings
Tachyon kink dynamics match D(p-1)-brane equations
Inclusion of NS-NS B-field and RR fields in analysis
Explicit derivation from DBI and WZ actions
Abstract
This paper is devoted to the study of the tachyon kink on the worldvolume of a non-BPS Dp-brane that is embedded in general background, including NS-NS two form B and also general Ramond-Ramond field. We will explicitly show that the dynamics of the kink is described by the equations of motion that arrise from the DBI and WZ action for D(p-1)-brane.
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