The massless linear sigma model with loop corrections. (English) Zbl 1149.81336
Summary: We study the effect of one-loop corrections from nucleon together with those from meson in the massless linear sigma model, where we perform the Coleman-Weinberg (CW) renormalization procedure in order to obtain the stable effective potential. We also study the non-perturbative and higher loop corrections with fermions and bosons in the Cornwall, Jackiw and Tomboulis (CJT) method.
MSC:
| 81T10 | Model quantum field theories |
| 81R40 | Symmetry breaking in quantum theory |
| 81T15 | Perturbative methods of renormalization applied to problems in quantum field theory |
References:
| [1] | Coleman S. R., Phys. Rev. pp 1888– |
| [2] | DOI: 10.1016/j.ppnp.2006.12.011 · doi:10.1016/j.ppnp.2006.12.011 |
| [3] | Cornwall J. M., Phys. Rev. 10 pp 2428– |
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