Soliton Formation in Chiral Quark Models
classification
✦ hep-ph
keywords
calculationchiralconceptualcut-offdescribedifferentdifficultiesequivalent
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We describe how the non-local regularization can be implemented in the calculation of solitons in the Nambu Jona-Lasinio model as well as in the equivalent linear sigma-model. We investigate different forms of regulators and show that the 3-momentum cut-off leads to serious conceptual difficulties.
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