Lagrangian formulation of the general modified chiral model |
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| Institution: | 1. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China;2. Tianjin Municipal Key Laboratory of Advanced Fiber and Energy Storage, Tianjin 300387, China;3. Bicycle Research Center of Tianjin Institute of Product Quality Supervision and Inspection Technology, Tianjin 300111, China |
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| Abstract: | We present a Lagrangian formulation for the general modified chiral model. We use it to discuss the Hamiltonian formalism for this model and to derive the commutation relations for the chiral field. We look at some explicit examples and show that the Hamiltonian, containing a contribution involving a Wess-Zumino term, is conserved, as required. |
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