Exotic Universal Solutions in Cubic Superstring Field Theory
arXiv:1009.1865 · doi:10.1007/JHEP04(2011)107
Abstract
We present a class of analytic solutions of cubic superstring field theory in the universal sector on a non-BPS D-brane. Computation of the action and gauge invariant overlap reveal that the solutions carry half the tension of a non-BPS D-brane. However, the solutions do not satisfy the reality condition. In fact, they display an intriguing topological structure: We find evidence that conjugation of the solutions is equivalent to a gauge transformation that cannot be continuously deformed to the identity.
53 pages, 6 figures. Added appendix on splitting charges and midpoint insertions. Improved presentation of the topological structure of the solutions. Version accepted at JHEP
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