A Matrix Model from String Field Theory
Copyright policy )A Matrix Model from String Field Theory
We demonstrate that a Hermitian matrix model can be derived from level truncated open string field theory with Chan-Paton factors. The Hermitian matrix is coupled with a scalar and a $U(N)$ vector which are responsible for the D-brane at the tachyon vacuum. Effective potential for the scalar is evaluated both in finite and large $N$. Increase of potential height is observed in both examples. The large $N$ matrix integral is identified with a system of $N$ ZZ branes and a ghost FZZT brane.
16 pages, 4 figures, section 3 improved for publication
High Energy Physics - Theory, Tachyon Condensation, Physics, QC1-999, matrix model, FOS: Physical sciences, Matrix Model, High Energy Physics - Theory (hep-th), D-branes, string field theory, string theory, String Field Theory, tachyon Condensation
High Energy Physics - Theory, Tachyon Condensation, Physics, QC1-999, matrix model, FOS: Physical sciences, Matrix Model, High Energy Physics - Theory (hep-th), D-branes, string field theory, string theory, String Field Theory, tachyon Condensation
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