A One Loop Problem of the Matrix Big Bang Model

Details A One Loop Problem of the Matrix Big Bang Model A One Loop Problem of the Matrix Big Bang Model

2005-12-30

arxiv.org/abs/hep-th/0512335v4

JHEP0608:089,2006

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, harvmac, v4: version to appear in JHEP

Scientific paper

10.1088/1126-6708/2006/08/089

We compute the one-loop effective action of two D0-branes in the matrix model
for a cosmological background, and find vanishing static potential. However,
there is a non-vanishing $v^2$ term not predicted in a supergravity
calculation. This term is complex and signals an instability of the two
D0-brane system, it may also indicate that the matrix model is incorrect.

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