Long Strings, Anomaly Cancellation, Phase Transitions, T-duality and Locality in the 2d Heterotic String

Details Long Strings, Anomaly Cancellation, Phase Transitions, T-duality and Locality in the 2d Heterotic String Long Strings, Anomaly Cancellation, Phase Transitions, T-duality and Locality in the 2d Heterotic String

2005-11-22

arxiv.org/abs/hep-th/0511220v1

JHEP 0601:057,2006

Physics

High Energy Physics

High Energy Physics - Theory

36 pages, 2 figures

Scientific paper

10.1088/1126-6708/2006/01/057

We study the noncritical two-dimensional heterotic string. Long fundamental strings play a crucial role in the dynamics. They cancel anomalies and lead to phase transitions when the system is compactified on a Euclidean circle. A careful analysis of the gauge symmetries of the system uncovers new subtleties leading to modifications of the worldsheet results. The compactification on a Euclidean thermal circle is particularly interesting. It leads us to an incompatibility between T-duality (and its corresponding gauge symmetry) and locality.

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