Note About Unstable M3-brane Action

Details Note About Unstable M3-brane Action Note About Unstable M3-brane Action

2008-10-03

arxiv.org/abs/0810.0585v2

Phys.Rev.D79:026001,2009

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, references added

Scientific paper

10.1103/PhysRevD.79.026001

We construct an action for unstable M3-brane in M-theory. We argue that in order to find M3-brane action that upon direct dimensional reduction leads to non-BPS D3-brane action in type IIA theory we have to presume that the background possesses Killing isometry and that this isometry has to be gauged on the world-volume of M3-brane. Then we construct singular tachyon kink on world-volume of M3-brane and we show that the dynamics of resulting topological defect is governed by an action that upon direct dimensional reduction leads to D2-brane in type IIA theory and that is equivalent to standard M2-brane action in flat background.

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