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Comment on ‘‘What is the most general Abelian gauge theory in two spatial dimensions?’’

Deser, S. and Jackiw, R. (1987) Comment on ‘‘What is the most general Abelian gauge theory in two spatial dimensions?’’. Physical Review Letters, 59 (17). p. 1981. ISSN 0031-9007. doi:10.1103/PhysRevLett.59.1981.

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In a recent Letter, Hagen has proposed a vector-field action in three space-time dimensions, and claimed to have found a new massless excitation in a particular limit. We note here that this action is essentially the one given earlier by us to represent the Maxwell-Chern-Simons system: His action differs from ours by an additional term which is inessential and by including an extra parameter which can likewise be rescaled away. The "new" excitation is shown to be just the photon.

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Deser, S.0000-0001-9285-9434
Additional Information:© 1987 American Physical Society. Received 13 April 1987. This work was supported in part by National Science Foundation Grant No. PHY-82-01094 and through funds provided by the U.S. Department of Energy under Contract No. DE-AC02-76ER03069.
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Department of Energy (DOE)DE-AC02-76ER03069
Issue or Number:17
Classification Code:PACS numbers: 11.15.-q, 11.10.Ef
Record Number:CaltechAUTHORS:20180413-163747657
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85864
Deposited By: George Porter
Deposited On:16 Apr 2018 15:22
Last Modified:15 Nov 2021 20:32

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