Comment on "Spin and Orbital Angular Momentum in Gauge Theories" by X. S. Chen et. al. (PRL100, 232002 (2008))

dc.creatorJi, Xiangdong
dc.date2008-10-27
dc.date.accessioned2026-07-07T10:13:29Z
dc.date.available2026-07-07T10:13:29Z
dc.descriptionThe individual parts of the total angular momentum operator in interacting theories cannot satisfy the canonical angular momentum commutation rule, including those proposed in the above paper. Furthermore, the operators in the new proposal a) are non-local in general gauge, b) do not have proper Lorentz transformation properties, and c) do not have any known physical measurements.
dc.description2 pages, no figure
dc.identifierhttps://arxiv.org/abs/0810.4913
dc.identifierhttp://arxiv.org/abs/0810.4913
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/172546
dc.subjectHigh Energy Physics - Phenomenology
dc.titleComment on "Spin and Orbital Angular Momentum in Gauge Theories" by X. S. Chen et. al. (PRL100, 232002 (2008))
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