Multi-scalar tachyon potential on non-BPS domain walls

Details Multi-scalar tachyon potential on non-BPS domain walls Multi-scalar tachyon potential on non-BPS domain walls

2009-12-23

arxiv.org/abs/0912.4712v2

Physics

High Energy Physics

High Energy Physics - Theory

version to appear in JHEP, 18 pages, 3 figures

Scientific paper

We have considered the multi-scalar and multi-tachyon fields living on a 3d domain wall embedded in a 5d dimensional Minkowski spacetime. The effective action for such a domain wall can be found by integrating out the normal modes as vibrating modes around the domain wall solution of a truncated 5d supergravity action. The multi-scalar tachyon potential are good enough to modeling assisted inflation scenario with multi-tachyon fields. The tachyon condensation are also briefly addressed.

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