Noncommutative multisolitons: moduli spaces, quantization, finite theta effects and stability

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Authors

LINDSTROM Ulf ROCEK Martin VON UNGE Rikard HADASZ Leszek

Year of publication 2001
Type Article in Periodical
Magazine / Source Journal of High Energy Physics
MU Faculty or unit

Faculty of Science

Citation
Web http://jhep.cern.ch/stdsearch?paper=06(2001)040
Field Theoretical physics
Keywords noncommutative solitons; moduli spaces; kahler geometry
Description We find the N-soliton solution at infinite theta, as well as the metric on the moduli space corresponding to spatial displacements of the solitons. We use a perturbative expansion to incorporate the leading 1/theta corrections, and find an effective short range attraction between solitons. We study the stability of various solutions. We discuss the finite theta corrections to scattering, and find metastable orbits. Upon quantization of the two-soliton moduli space, for any finite theta, we find an s-wave bound state.
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