Projection Operator and Propagator for an Arbitrary Integral
Spin

Chin. Phys. Lett.

2002, Vol. 19

Issue (12): 1767-1770 DOI:

Original Articles

Projection Operator and Propagator for an Arbitrary Integral Spin

HUANG Shi-Zhong^1,2,3;RUAN Tu-Nan^2,3;WU Ning^2,4;ZHENG Zhi-Peng^2,4

¹Department of Physics, Anhui Normal University, Wuhu 241000 ²CCAST (World Laboratory), PO Box 8730, Beijing 100080 ³Department of Modern Physics, University of Science and Technology of China, Hefei 230027 ⁴Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039

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HUANG Shi-Zhong, RUAN Tu-Nan, WU Ning et al 2002 Chin. Phys. Lett. 19 1767-1770

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Abstract Based on the solution of the Bargmann-Wigner equation for an arbitrary integral spin, a direct derivation of the projection operator and propagator for an arbitrary integral spin is presented. The explicit form for the spin projection operators constructed by Behrends and Fronsdal is confirmed, the commutation rules and a general expression for the Feynman propagator for a free particle of arbitrary integral spin are deduced.

Keywords: 11.80.Cr 03.70.+k 14.80.-j

Published: 01 December 2002

PACS:	11.80.Cr	(Kinematical properties)
	03.70.+k	(Theory of quantized fields)
	14.80.-j	(Other particles (including hypothetical))

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2002/V19/I12/01767

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