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Showing 1 to 2 of 2 for “"four-fermion model"”.
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Chiral symmetry restoration in the three-dimensional four-fermion model at non-zero temperature and density
The phase structure of the three-dimensional four-fermion model with a Z2 chiral symmetry at non-zero temperature Tor non-zero chemical potential μ is investigated. The main purpose of the study is to serve as an orientation for the more complex problem of the chiral phase transition in Quantum …
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Strongly coupled fermions on the lattice
… to the electroweak sector of the Standard Model. However the construction of these theories is plagued by the emergence of massless chiral modes in the lattice theory which have no counterpart in the continuum theory. This is a topological obstruction known as the Nielsen-Nimonoya theorem …