Abstract
We evaluate the vacuum energy of a simple tachyon vacuum solution using the level truncation scheme in cubic superstring field theory. By truncating the standard Virasoro L 0 level expansion of the solution, we obtain a value of the vacuum energy in agreement with Sen’s first conjecture.
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Arroyo, E.A. Level truncation analysis of a simple tachyon vacuum solution in cubic superstring field theory. J. High Energ. Phys. 2014, 69 (2014). https://doi.org/10.1007/JHEP12(2014)069
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DOI: https://doi.org/10.1007/JHEP12(2014)069