12 String field theory
[1]<ol><li>Sen:2004nf</li><li>Headrick:2004hz</li><li>Gomis:2005wq</li><li>Taylor:2003gn</li><li>Taylor:2002uv</li></ol>
\begin{comment}
Doubt
Is there a holographic dual of bosonic string theory? The bosonic string is unstable non-perturbatively. So, it might not have a holographic dual. Sen’s conjecture, instability of the D25-branes etc. But maybe there is still some unstable CFT with tachyons that is its dual? The R symmetry of the boundary theory will match to the symmetry of the compact dimensions. Since here we don’t have R symmetry as there is no SUSY, does that mean the bulk dual can’t be compactified? Does that mean the boundary theory is a 25-dimensional unstable CFT without SUSY? Of course, in $D>6$, there is no SUSY CFT, but there can still be nonSUSY CFTs.
\end{comment}
Subsections
- 12.1 Off-shell string theory
- 12.2 Bosonic string field theory
- 12.3 Superstring field theory
- 12.4 Tachyon condensation
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