Level Four Approximation to the Tachyon Potential in Superstring Field Theory
arXiv:hep-th/0003220 · doi:10.1088/1126-6708/2000/05/051
Abstract
We compute the tachyon potential to level 4 in NS superstring field theory. We obtain 89% of the conjectured vacuum energy.
Latex, 8 pages, 1 figure, published version, references changed
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