ITP OpenIR  > 理论物理所2014年知识产出
Canonical quantization theory of general singular QED system of Fermi field interaction with generally decomposed gauge potential
Zhang, ZL; Huang, YC; Huang, YC (reprint author), Beijing Univ Technol, Inst Theoret Phys, Beijing 100136, Peoples R China.
2014
发表期刊ANNALS OF PHYSICS
ISSN0003-4916
卷号342期号:0页码:143-157
摘要Quantization theory gives rise to transverse phonons for the traditional Coulomb gauge condition and to scalar and longitudinal photons for the Lorentz gauge condition. We describe a new approach to quantize the general singular QED system by decomposing a general gauge potential into two orthogonal components in general field theory, which preserves scalar and longitudinal photons. Using these two orthogonal components, we obtain an expansion of the gauge-invariant Lagrangian density, from which we deduce the two orthogonal canonical momenta conjugate to the two components of the gauge potential. We then obtain the canonical Hamiltonian in the phase space and deduce the inherent constraints. In terms of the naturally deduced gauge condition, the quantization results are exactly consistent with those in the traditional Coulomb gauge condition and superior to those in the Lorentz gauge condition. Moreover, we find that all the nonvanishing quantum commutators are permanently gauge-invariant. A system can only be measured in physical experiments when it is gauge-invariant. The vanishing longitudinal vector potential means that the gauge invariance of the general QED system cannot be retained. This is similar to the nucleon spin crisis dilemma, which is an example of a physical quantity that cannot be exactly measured experimentally. However, the theory here solves this dilemma by keeping the gauge invariance of the general QED system. Crown Copyright (C) 2013 Published by Elsevier Inc. All rights
部门归属[Zhang, Zhen-Lu; Huang, Yong-Chang] Beijing Univ Technol, Inst Theoret Phys, Beijing 100136, Peoples R China; [Huang, Yong-Chang] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100080, Peoples R China; [Huang, Yong-Chang] CCAST World Lab, Beijing 100080, Peoples R China
学科领域Physics
资助者National Natural Science Foundation of China [11173028, 11275017] ; National Natural Science Foundation of China [11173028, 11275017] ; National Natural Science Foundation of China [11173028, 11275017] ; National Natural Science Foundation of China [11173028, 11275017]
DOI10.1016/j.aop.2013.06.021
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11173028, 11275017] ; National Natural Science Foundation of China [11173028, 11275017] ; National Natural Science Foundation of China [11173028, 11275017] ; National Natural Science Foundation of China [11173028, 11275017]
WOS记录号WOS:000331426100009
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15467
专题理论物理所2014年知识产出
通讯作者Huang, YC (reprint author), Beijing Univ Technol, Inst Theoret Phys, Beijing 100136, Peoples R China.
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Zhang, ZL,Huang, YC,Huang, YC . Canonical quantization theory of general singular QED system of Fermi field interaction with generally decomposed gauge potential[J]. ANNALS OF PHYSICS,2014,342(0):143-157.
APA Zhang, ZL,Huang, YC,&Huang, YC .(2014).Canonical quantization theory of general singular QED system of Fermi field interaction with generally decomposed gauge potential.ANNALS OF PHYSICS,342(0),143-157.
MLA Zhang, ZL,et al."Canonical quantization theory of general singular QED system of Fermi field interaction with generally decomposed gauge potential".ANNALS OF PHYSICS 342.0(2014):143-157.
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