Dipole-Ghost Goldstone Bosons in the Higgs Model and in the Schwinger Model
Open Access
- 1 September 1975
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 54 (3) , 840-847
- https://doi.org/10.1143/ptp.54.840
Abstract
The Higgs model is analyzed in the framework of indefinite-metric quantum field theory. It is shown that Goldstone bosons become dipole ghosts in the linear covariant gauges other than the Landau gauge. It is also shown in the covariant-gauge formalism that the Schwinger model (the two-dimensional massless quantum electrodynamics) is quite analogous to the Higgs model as far as Goldstone bosons are concerned.Keywords
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