Feynman Rules and Generalized Ward Identities in Phase Space Functional Integral

Li Ziping

Chinese Physics C> 1996, Vol. 20> Issue(8) : 698-702

Feynman Rules and Generalized Ward Identities in Phase Space Functional Integral

Li Ziping ^,

Department of Applied Physics, Beijing Polytechnic University, Beijing 100022

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Abstract：
Based on the phase-space generating functional of Green function, the generalizedcanonical Ward identities are derived It is point out that one can deduce Feynmanrules in tree approximation without carring out explicit integration over canonicalmomenta in phase-space generating functional. If one adds a four-dimensionaldivergence term to a Lagrangian of the field, then, the propagator of the field can bechanged.

References

[1]

Li,Z,P,Acta Phys.Sin（Overseas Edition）,3（1994）481[2]Li,Z,P,Europhys.Lett,27（1994）563.[3]李子平，经典和量子约束系统及其对称性质，北京工业大学出版社，1993年。[4]Henneaux,M,Teitelboim,C.,Quantization of Gauge System,Princeton University Press,Princeton,New Jersey,1992.[5]Li,Z.P.,Science in China（Series A）,36（1993）1212.[6]李子平，高能物理与核物理，18（1994）694[7]Galvao,C.A.P,Lemos,N.A,J.Math.Phys.,29（1988）1588.[8]He,B,Li,Z.P,Commun.Theor.Phys,23（1995）371.

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Li Ziping. Feynman Rules and Generalized Ward Identities in Phase Space Functional Integral[J]. Chinese Physics C, 1996, 20(8): 698-702.

Li Ziping. Feynman Rules and Generalized Ward Identities in Phase Space Functional Integral[J]. Chinese Physics C, 1996, 20(8): 698-702. shu

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Received: 1900-01-01
Revised: 1900-01-01

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