Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-11-13
Nucl.Phys. B600 (2001) 185-196
Physics
High Energy Physics
High Energy Physics - Theory
latex, 16 pages, 4 figures, misprints corrected
Scientific paper
10.1016/S0550-3213(01)00041-4
A new family of non critical bosonic string backgrounds in arbitrary space time dimension $D$ and with $ISO(1,D-2)$ Poincar\'e invariance are presented. The metric warping factor and dilaton agree asymptotically with the linear dilaton background. The closed string tachyon equation of motion enjoys, in the linear approximation, an exact solution of ``kink'' type interpolating between different expectation values. A renormalization group flow interpretation ,based on a closed string tachyon potential of type $-T^{2}e^{-T}$, is suggested.
Alvarez Enrique
Gómez César
Hernandez Lorenzo
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