Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-05-25
JHEP 0006 (2000) 034
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, 1 figure, Latex with epsf.tex; v2, pen mistakes corrected, one refreence added; v3, grammar errors corrected, to app
Scientific paper
10.1088/1126-6708/2000/06/034
We present an exact thick domain wall solution with naked sigularities to five dimensional gravity coupled with a scalar field with exponential potential. In our solution we found exactly the special coefficient of the exponent as coming from compactification of string theory with cosmological constant. We show that this solution is self-tuning when a 3-brane is included. In searching for solution with horizon we found a similar exact solution with fine-tuned exponent coefficient with an integration constant. Failed to find a solution with horizon we prove the non-existence of horizons. These naked sigularities actually can't be resolved by horizon. We also comment on the physical relevance of this solution.}
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