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Non-Lagrangian Gauge Field Models are Physically Excluded

Deser, S. (2019) Non-Lagrangian Gauge Field Models are Physically Excluded. Physics Letters B, 790 . pp. 408-409. ISSN 0370-2693. doi:10.1016/j.physletb.2019.01.044.

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While non-action-generated, but identically conserved, abelian/YM gauge vectors exist, they are unsuitable for building alternate field equations, because they have no stress-tensor, hence do not permit Poincare generators and, most physically, cannot consistently couple to gravity. Separately, their geometric analogues, covariantly conserved non-Lagrangian symmetric tensors, probably do not even exist, but their weak field, abelian, counterparts do, and share the vector fields' absence of generators.

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Deser, S.0000-0001-9285-9434
Additional Information:© 2019 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license ( Funded by SCOAP3. Received 4 January 2019, Revised 18 January 2019, Accepted 25 January 2019, Available online 30 January 2019. This work was supported by the U.S. Department of Energy, Office of Science, Office of High Energy Physics, under Award Number de-sc0011632. Long-term collaboration with Y. Pang, and with A. Waldron, on a complex of related problems is happily acknowledged. I thank J. Franklin for tech help.
Group:Walter Burke Institute for Theoretical Physics
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Department of Energy (DOE)DE-SC0011632
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Record Number:CaltechAUTHORS:20190116-120240589
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Official Citation:S. Deser, Non-Lagrangian gauge field models are physically excluded, Physics Letters B, Volume 790, 2019, Pages 408-409, ISSN 0370-2693, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92323
Deposited By: Joy Painter
Deposited On:16 Jan 2019 22:25
Last Modified:16 Nov 2021 03:49

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