# Some exact results on tachyon condensation in string field theory

@article{Kutasov2000SomeER, title={Some exact results on tachyon condensation in string field theory}, author={David Kutasov and Marcos Mari{\~n}o and Gregory Moore}, journal={Journal of High Energy Physics}, year={2000}, volume={2000}, pages={045-045} }

The study of open string tachyon condensation in string field theory can be drastically simplified by making an appropriate choice of coordinates on the space of string fields. We show that a very natural coordinate system is suggested by the connection between the worldsheet renormalization group and spacetime physics. In this system only one field, the tachyon, condenses while all other fields have vanishing expectation values. These coordinates are also well-suited to the study of D-branes…

## 378 Citations

### A Review on Tachyon Condensation in Open String Field Theories

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### Normalization of the background independent open string field theory action

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It has been shown recently that the background independent open string field theory provides an exact description of the tachyon condensation on unstable D-branes of bosonic string theory. In this…

### Tachyon Condensation: Calculations in String Field Theory

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In this Ph.D. thesis, we study tachyon condensation in string field theories.
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In chapter 3, we…

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Using boundary string field theory we study the decay of unstable D-branes to lower dimensional D-branes via the tachyon condensation at one loop level. We analyze one loop divergences and use the…

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