Correlators in Timelike Bulk Liouville Theory

Details Correlators in Timelike Bulk Liouville Theory Correlators in Timelike Bulk Liouville Theory

2003-03-25

arxiv.org/abs/hep-th/0303221v2

Adv.Theor.Math.Phys.7:369-379,2003

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Latex

Scientific paper

Liouville theory with a negative norm boson and no screening charge corresponds to an exact classical solution of closed bosonic string theory describing time-dependent bulk tachyon condensation. A simple expression for the two point function is proposed based on renormalization/analytic continuation of the known results for the ordinary (positive-norm) Liouville theory. The expression agrees exactly with the minisuperspace result for the closed string pair-production rate (which diverges at finite time). Puzzles concerning the three-point function are presented and discussed.

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