Normal ordering and boundary conditions for fermionic string coordinates

Details Normal ordering and boundary conditions for fermionic string coordinates Normal ordering and boundary conditions for fermionic string coordinates

2006-02-21

arxiv.org/abs/hep-th/0602212v2

Phys.Lett.B638:272-274,2006

Physics

High Energy Physics

High Energy Physics - Theory

In this revised version we clarify the issue of consistency between supersymmetry and boundary conditions and stress the fact

Scientific paper

10.1016/j.physletb.2006.05.027

We build up normal ordered products for fermionic open string coordinates consistent with boundary conditions. The results are obtained considering the presence of antisymmetric tensor fields. We find a discontinuity of the normal ordered products at string endpoints even in the absence of the background. We discuss how the energy momentum tensor also changes at the world-sheet boundary in such a way that the central charge keeps the standard value at string end points.

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