Shock Waves and Cosmological Matrix Models

Details Shock Waves and Cosmological Matrix Models Shock Waves and Cosmological Matrix Models

2005-07-19

arxiv.org/abs/hep-th/0507185v3

JHEP 0510 (2005) 073

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, harvmav, v2: some comments on instability added, v3: version to appear in JHEP

Scientific paper

10.1088/1126-6708/2005/10/073

We find the shock wave solutions in a class of cosmological backgrounds with a null singularity, each of these backgrounds admits a matrix description. A shock wave solution breaks all supersymmetry meanwhile indicates that the interaction between two static D0-branes cancel, thus provides basic evidence for the matrix description. The probe action of a D0-brane in the background of another suggests that the usual perturbative expansion of matrix model breaks down.

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