Solitons on compact and noncompact spaces in large noncommutativity

Details Solitons on compact and noncompact spaces in large noncommutativity Solitons on compact and noncompact spaces in large noncommutativity

2000-12-28

arxiv.org/abs/hep-th/0012259v2

Class.Quant.Grav. 18 (2001) 3339-3358

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, Latex, 1 figure (use epsfig.sty), corrected formula

Scientific paper

We study solutions at the minima of scalar field potentials for Moyal spaces and torii in the large non-commutativity and interprete these solitons in terms of non-BPS D-branes of string theory. We derive a mass spectrum formula linking different D-branes together on quantum torii and suggest that it describes general systems of D-brane bound states extending the D2-D0 one. Then we propose a shape for the effective potential approaching these quasi-stable bound states. We give the gauge symmetries of these systems of branes and show that they depend on the quantum torii representations.

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