Symmetry Breaking in String Theory

Details Symmetry Breaking in String Theory Symmetry Breaking in String Theory

2005-02-22

arxiv.org/abs/hep-th/0502204v1

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, Latex, to appear in the proceedings of the 32nd International Conference on High Energy Physics (ICHEP 04), Beijing,

Scientific paper

In this paper we discuss symmetry breaking in string theory. Spacetime symmetries are implemented as inner automorphisms of the underlying superconformal algebra. Conserved currents generate unbroken spacetime symmetries. As we deform the classical solutions of the string equations of motion, the deformed currents continue to generate spontaneously broken symmetries even though they cease to commute with the string Hamiltonian. We illustrate these ideas by studying supersymmetry breaking in a non-trivial string background.

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