The σ-Model and Non-commutative Geometry
Hanying Guo, Jianming Li, Ke Wu, 10 pages, Latex ASITP-93-67
Abstract
In terms of non-commutative geometry, we show that the σ--model can be built up by the gauge theory on discrete group Z2. We introduce a constraint in the gauge theory, which lead to the constraint imposed on linear σ model to get nonlinear σ model .
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