Gauge invariance and canonical quantizat
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Fan Wang; Xiang-Song Chen; Xiao-Fu LΓΌ; Wei-Ming Sun; T. Goldman
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Article
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2010
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Elsevier Science
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English
β 190 KB
It is unavoidable to deal with the quark and gluon momentum and angular momentum contributions to the nucleon momentum and spin in the study of nucleon internal structure. However, we never have the quark and gluon momentum, orbital angular momentum and gluon spin operators which satisfy both the ga