Shock waves and cosmological matrix models | Zendy

Miao Li | Zendy; Wei Song | Zendy

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Shock waves and cosmological matrix models

Author(s) -

Miao Li,

Wei Song

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/10/073

Subject(s) - singularity , physics , shock wave , matrix (chemical analysis) , shock (circulatory) , action (physics) , theoretical physics , matrix model , brane , classical mechanics , brane cosmology

We find the shock wave solutions in a class of cosmological backgrounds witha null singularity, each of these backgrounds admits a matrix description. Ashock wave solution breaks all supersymmetry meanwhile indicates that theinteraction between two static D0-branes cancel, thus provides basic evidencefor the matrix description. The probe action of a D0-brane in the background ofanother suggests that the usual perturbative expansion of matrix model breaksdown.Comment: 10 pages, harvmav, v2: some comments on instability added, v3: version to appear in JHE

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