2 papers
hep-ph2010
Gauge-invariant momentum and angular momentum operators in quantum electrodynamics and chromodynamics
C. W. Wong, Fan Wang, W. M. Sun +1
Differences between vector potentials in different gauges contain no dynamics in both classical and quantum electrodynamics and chromodynamics. Consequently, once gauge invariance…
hep-ph2009
The application of gauge invariance and canonical quantization to the internal structure of gauge field systems
Fan Wang, X. S. Chen, X. F. Lu +2
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,…