String Field Theory Around the Tachyon Vacuum

@inproceedings{Rastelli2000StringFT,
  title={String Field Theory Around the Tachyon Vacuum},
  author={Leonardo Rastelli and Ashoke Sen and Barton Zwiebach},
  year={2000}
}
Assuming that around the tachyon vacuum the kinetic term of cubic open string field theory is made purely of ghost operators we are led to gauge invariant actions which manifestly implement the absence of open string dynamics around this vacuum. We test this proposal by showing the existence of lump solutions of arbitrary codimension in this string field theory. The key ingredients in this analysis are certain assumptions about the analyticity properties of tachyon Green’s functions. With the… CONTINUE READING
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