Infrared divergences and confinement in massive (2+1)-dimensional QED

Sen, Diptiman (1990) Infrared divergences and confinement in massive (2+1)-dimensional QED Physical Review D - Particles, Fields, Gravitation and Cosmology, 41 (4). pp. 1227-1230. ISSN 1550-7998

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In (2+1)-dimensional quantum electrodynamics with massless photons and massive matter fields, it is shown that the mass renormalization of the latter is infrared divergent at one loop. This result remains unchanged at two loops. A simple argument based on a similar divergence of the Coulomb potential leads us to conjecture that charged states are not observable in this model. This argument holds in 1+1 dimensions also.

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Source:Copyright of this article belongs to The American Physical Society.
ID Code:45578
Deposited On:28 Jun 2011 05:39
Last Modified:28 Jun 2011 05:39

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