Vibrating giant spikes and the large-winding sector

Details Vibrating giant spikes and the large-winding sector Vibrating giant spikes and the large-winding sector

2008-03-31

arxiv.org/abs/0803.4222v2

JHEP0806:088,2008

Physics

High Energy Physics

High Energy Physics - Theory

30 pages, 5 figures. v2 has extra references and thanks

Scientific paper

10.1088/1126-6708/2008/06/088

The single spike is a rigidly rotating classical string configuration closely related to the giant magnon. We calculate bosonic and fermionic modes of this solution, from which we see that it is not supersymmetric. It can be viewed as an excitation above a hoop of string wound around the equator, in the same sense that the magnon is an excitation above an orbiting point particle. We find the operator which plays the role of the Hamiltonian for this sector, which compared to the magnon's E-J has the angular momentum replaced by a winding charge. The single spike solution is unstable, and we use the modes to attempt a semi-classical computation of its lifetime.

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