Research output: Contribution to journal › Article
Journal | Physics Letters B |
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Date | Published - 17 Jan 1991 |
Issue number | 1-2 |
Volume | 254 |
Number of pages | 4 |
Pages (from-to) | 169-172 |
Original language | English |
We study quantum electrodynamics with a massless fermion field on a circle in Coulomb gauge, imposing a boundary condition such that the fields become their charge conjugates when they go around the circle. The theory is found to be equivalent to an anti-periodic free massive scalar field theory with two ground states.
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