Critical couplings for chiral symmetry breaking via instantons
Using an instanton effective action formalism, we compute the critical coupling for the nonperturbative formation of a dynamical mass via instantons in non-Abelian gauge theories with N_f massless fermions. Only continuous phase transitions are considered. For large values of N_f the critical coupli...
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| Main Author | |
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| Format | Journal Article |
| Language | English |
| Published |
07.03.2000
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| Subjects | |
| Online Access | Get full text |
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| Abstract | Using an instanton effective action formalism, we compute the critical
coupling for the nonperturbative formation of a dynamical mass via instantons
in non-Abelian gauge theories with N_f massless fermions. Only continuous phase
transitions are considered. For large values of N_f the critical couplings are
found to be much smaller than the equivalent critical couplings obtained from
gauge exchange calculations in the ladder approximation. |
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| AbstractList | Using an instanton effective action formalism, we compute the critical
coupling for the nonperturbative formation of a dynamical mass via instantons
in non-Abelian gauge theories with N_f massless fermions. Only continuous phase
transitions are considered. For large values of N_f the critical couplings are
found to be much smaller than the equivalent critical couplings obtained from
gauge exchange calculations in the ladder approximation. |
| Author | Roux, F. S |
| Author_xml | – sequence: 1 givenname: F. S surname: Roux fullname: Roux, F. S |
| BackLink | https://doi.org/10.48550/arXiv.hep-ph/0003059$$DView paper in arXiv |
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| Snippet | Using an instanton effective action formalism, we compute the critical
coupling for the nonperturbative formation of a dynamical mass via instantons
in... |
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| SubjectTerms | Physics - High Energy Physics - Phenomenology |
| Title | Critical couplings for chiral symmetry breaking via instantons |
| URI | https://arxiv.org/abs/hep-ph/0003059 |
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