Xiang-Song Chen

activity

19982009

most citedReply to the Comment on "Spin and orbital angular momentum in gauge theories: Nucleon spin structure and multipole radiation revisited" [PRL 100:232002 (2008)]

198 citations · 503 across the 10 of their papers we have counts for

collaborators

Showing 2007Show all

2 papers · 1 filter

hep-ph2007

Testing the correctness of the Poynting vector \vec E\times\vec B as the momentum density of gauge fields

Xiang-Song Chen, Xiang-Bai Chen, Wei-Min Sun +1

Following our recent finding that the renowned formula $x \times (E \times B)$ is not the correct density for the electromagnetic angular momentum, here we examine the…

hep-ph2007

Spin and orbital angular momentum in gauge theories (I): QED and determination of the angular momentum density

X. S. Chen, X. F. Lü, W. M. Sun +2

This two-paper series addresses and fixes the long-standing gauge invariance problem of angular momentum in gauge theories. This QED part reveals: 1) The spin and orbital angular m…