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．
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.
出处
《高能物理与核物理》
CSCD
北大核心
1995年第11期1012-1018,共7页
High Energy Physics and Nuclear Physics
基金
北京市自然科学基金
关键词
约束系统
量子对称
N-定理
拉氏系统
Dirac's theory of constrained system,generating functional,Ward identity, Noether theorem.
