| 奇异拉氏量系统的正则对称性和Ward恒等式 |
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| 引用本文： | 李子平.奇异拉氏量系统的正则对称性和Ward恒等式[J].中国物理 C,1994,18(8):694-701. |
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| 作者姓名： | 李子平 |
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| 作者单位： | 北京工业大学应用物理系 |
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| 基金项目： | 国家自然科学基金,北京市自然科学基金 |
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| 摘 要： | 给出了场论中约束Hamilton系统规范生成元的构成,说明了生成元中与第一类约束相联系的系数之间的关系.基于相空间中的生成泛函,导出了相应正则形式的Ward恒等式.讨论了与混合陈-Simons拉氏量等价的场论模型中的应用.
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| 关 键 词： | Dirac约束 规范生成元 WarD恒等式 |
Canonical Symmetry in a System with Singular Lagrangian and Ward Identities |
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| Li Ziping.Canonical Symmetry in a System with Singular Lagrangian and Ward Identities[J].High Energy Physics and Nuclear Physics,1994,18(8):694-701. |
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| Authors: | Li Ziping |
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| Abstract: | An algorithm to construct the generator of gauge transformation for a constrained Hamiltonian system is given.The relationships among the coefficients connecting with first-class constraints in the generator is cleared.Based on the phase space generating functional,the corresponding Ward identities in canonical formalism is deduced.The preliminary applications of above results to a model in field theory which is functionally equivalent to the mixed Chern-Simons Lagrangian is discussed in detail. |
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| Keywords: | Dirac's constraints generator of gauge transformation Ward Identities |
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