Abstract
We discuss some simple models related to quantum corrections of the MIT-bag in the framework of local field theories in two space-time dimensions. A recent result due to A. Chodos and A. Klein is generalized. We find that the corresponding quantum field theories become free or have an energy spectrum unbounded from below.
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References
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In this expression Δ is a suitable cutoff in the theory. Here we are following the notation of References 4 and 5.
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Skagerstam, BS. A remark on quantum corrections to classical confinement. Lett Math Phys 1, 499–503 (1977). https://doi.org/10.1007/BF00399742
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DOI: https://doi.org/10.1007/BF00399742