| 动力系统的正则量子对称性质 |
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| 引用本文： | 李子平.动力系统的正则量子对称性质[J].中国物理 C,1995,19(11):1012-1018. |
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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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| 摘 要： | 分别从正规和奇异拉氏量系统的相空间生成泛函出发,导出了增广相空间中整体对称下的正则形式Ward恒等式.考虑对应的定域交换,得到了量子水平的守恒荷,给出了正则形式的量子Noether定理.讨论了在核子和π介子相互作用中的初步应用.
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| 关 键 词： | 约束系统的Dirac理论 生成泛函 Ward恒等式 Noether定理 |
Canonical Quantal Symmetry in a Dynamical System |
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| Li Ziping.Canonical Quantal Symmetry in a Dynamical System[J].High Energy Physics and Nuclear Physics,1995,19(11):1012-1018. |
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| Authors: | Li Ziping |
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| Abstract: | Starting from phase - space generating functional for the system with regular and singular Lagrangian respectively,the canonical Ward identities under the global symmetry transformation in phase space are deduced.The corresponding local transiormation is studied,the conserved charge is obtained at quantum level and the canonical Noether theorem in quantum case is given.The preliminary application of the results to a system of interacting nucleons and pious is discussed. |
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| Keywords: | Dirac's theory of constrained system generating functional Ward identity Noether theorem |
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