A Reduced Model of Noncommutative S-brane Spectrum

Details A Reduced Model of Noncommutative S-brane Spectrum A Reduced Model of Noncommutative S-brane Spectrum

2004-04-22

arxiv.org/abs/hep-th/0404164v3

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, latex, 2 eps figures; v2/v3 references added

Scientific paper

CFT construction of S-branes describing the rolling and bouncing tachyons is analyzed in the context of a $\theta$-noncommutative deformation of minisuperspace. Half s-brane and s-brane in the noncommutative minisuperspace are analyzed and exact analytic solutions, involving the noncommutative parameter $\theta$ and compatible with the boundary conditions at infinity, are found. Comparison with the usual commutative minisuperspace is finally performed.

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