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Tachyon Solution in Cubic Neveu-Schwarz String Field Theory

arXiv:0804.2017 · doi:10.1007/s11232-009-0026-2

Abstract

A class of exact analytic solutions in the modified cubic fermionic string field theory with the GSO(-) sector is presented. This class contains the GSO(-) tachyon field and reproduces the correct value for the nonBPS D-brane tension.

17 pages, minor corrections(missing 1/2 is restored)