Rolling Near the Tachyon Vacuum
arXiv:1902.11103 · doi:10.1007/JHEP04(2020)104
Abstract
In a linear dilaton background, it has been argued that an unstable D-brane can decay to the tachyon vacuum without leaving behind a remnant of tachyon matter. Here we address the question of how the D-brane can decay to the tachyon vacuum when the tachyon vacuum does not support physical fluctuations. Using the formalism of open string field theory, we find that the tachyon vacuum {\it can} support fluctuations provided they are "hidden" as nonperturbative effects behind a pure gauge asymptotic series.
41 pages, 12 figures
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- Initial value problem in string-inspired nonlocal field theory
- The classical cosmological constant of open-closed string field theory
- Closed string deformations in open string field theory I: bosonic string
- Symplectic structure in open string field theory I: Rolling tachyons
- Cosmological Weyl-Einsteinian-Cubic Gravity as a Gauge Theory of Gravity
- Conformal Defects from String Field Theory