Closed String Tachyon Condensation: An Overview
Matthew Headrick, Shiraz Minwalla, and Tadashi Takayanagi
TL;DR
This paper reviews the phenomenon of closed string tachyon condensation, focusing on recent developments in localized cases such as orbifolds and twisted circle compactifications, providing insights into string theory stability.
Contribution
It offers an expanded overview of closed string tachyon condensation, highlighting recent results on specific systems like C/Z_n orbifolds and twisted circles.
Findings
Localized closed string tachyon condensation can lead to stable configurations.
Recent results clarify the behavior of tachyons in orbifold and compactification settings.
The review connects open and closed string tachyon phenomena.
Abstract
These notes are an expanded version of a review lecture on closed string tachyon condensation at the RTN workshop in Copenhagen in September 2003. We begin with a lightning review of open string tachyon condensation, and then proceed to review recent results on localized closed string tachyon condensation, focusing on two simple systems, C/Z_n orbifolds and twisted circle compactifications.
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