Renormalization schemes for SFT solutions
Joanna L. KarczmarekDepartment of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC, CanadaMatheson LongtonDepartment of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC, Canada
2015en
ABI
Abstract
In this paper, we examine the space of renormalization schemes compatible with the Kiermaier and Okawa [1] framework for constructing Open String Field Theory solutions based on marginal operators with singular self-OPEs. We show that, due to freedom in defining the renormalization scheme which tames these singular OPEs, the solutions obtained from the KO framework are not necessarily unique. We identify a multidimensional space of SFT solutions corresponding to a single given marginal operator.
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