An Analysis of Non-Compact Non-Linear σ Models : Particles and Fields

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概要

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• We reexamine non-compact non-linear σ models thoroughly for all the real coupling constant and in any space-time dimensions. We show that composite gauge bosons become dynamical in a region. We correct the various inadeequate treatments in the works by other authors. In particular we emphasize that negative norm should be introduced in quantizing such a system properly. Then the difficulty is clarified to keep unitarity in non-compact non-linear σ models. Further we claim that the sign of the bare coupling constant which yields a positive classical Hamiltonian is inconsistent in quantum theory.

• 理論物理学刊行会の論文
• 1986-03-25

著者

• Morozumi Takuya

  Department Of Physics Kyoto University

• MOROZUMI Takuya

  Department of Physics, Kyoto University

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