David, Justin R (2001) Excitations on wedge states and on the sliver Journal of High Energy Physics, 2001 (07). 024-024. ISSN 1029-8479
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Official URL: http://doi.org/10.1088/1126-6708/2001/07/024
Related URL: http://dx.doi.org/10.1088/1126-6708/2001/07/024
Abstract
We study ghost number one excitations on the sliver to investigate the solution of string field actions around the tachyon vacuum. The generalized gluing and resmoothing theorem is used to develop a method for evaluating the effective action for excitations on both the wedge states and the sliver state. We analyze the discrete symmetries of the resulting effective action for excitations on the sliver. The gauge unfixed effective action till level two excitations on the sliver is evaluated. This is done for the case with the BRST operator c0 and c0+(c2+c−2)/2 with excitations purely in the ghost sector. We find that the values of the effective potential at the local maximum lie close by for the zeroth and the second level of approximation. This indicates that level truncation in string field theory around the tachyon vacuum using excitations on the sliver converges for both choices of the BRST operator. It also provides evidence for the conjectured string field theory actions around the tachyon vacuum.
Item Type: | Article |
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Source: | Copyright of this article belongs to IOP Publishing. |
ID Code: | 117063 |
Deposited On: | 14 Apr 2021 09:23 |
Last Modified: | 14 Apr 2021 09:23 |
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