The Galilean superstring

doi:10.1007/JHEP02(2017)105

The Galilean superstring

2017-02-21

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DOI：10.1007/JHEP02(2017)105

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The action for a Galilean superstring is found from a non-relativistic limit of the closed Green-Schwarz (GS) superstring; it has zero tension and provides an example of a massless super-Galilean system. A Wess-Zumino term leads to a topological central charge in the Galilean supersymmetry algebra, such that unitarity requires a upper bound on the total momentum. This Galilean-invariant bound, which is also implied by the classical phase-space constraints, is saturated by solutions of the superstring equations of motion that half-preserve supersymmetry. We discuss briefly the extension to the Galilean supermembrane.

Keyword:

Global Symmetries

Superspaces

Superstrings and Heterotic Strings

p-branes

The Galilean superstring

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