Interacting Particles and Strings in Path and Surface Representations

Details Interacting Particles and Strings in Path and Surface Representations Interacting Particles and Strings in Path and Surface Representations

2004-02-26

arxiv.org/abs/hep-th/0402224v1

Phys.Rev. D69 (2004) 125010

Physics

High Energy Physics

High Energy Physics - Theory

RevTeX 4, 28 pages

Scientific paper

10.1103/PhysRevD.69.125010

Non-relativistic charged particles and strings coupled with abelian gauge fields are quantized in a geometric representation that generalizes the Loop Representation. We consider three models: the string in self-interaction through a Kalb-Ramond field in four dimensions, the topological interaction of two particles due to a BF term in 2+1 dimensions, and the string-particle interaction mediated by a BF term in 3+1 dimensions. In the first case one finds that a consistent "surface-representation" can be built provided that the coupling constant is quantized. The geometrical setting that arises corresponds to a generalized version of the Faraday's lines picture: quantum states are labeled by the shape of the string, from which emanate "Faraday`s surfaces". In the other models, the topological interaction can also be described by geometrical means. It is shown that the open-path (or open-surface) dependence carried by the wave functional in these models can be eliminated through an unitary transformation, except by a remaining dependence on the boundary of the path (or surface). These feature is closely related to the presence of anomalous statistics in the 2+1 model, and to a generalized "anyonic behavior" of the string in the other case.

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