Possible instabilities in quadratic and cubic nodal-line fermion systems with correlated interactions
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DOI: 10.1103/physrevb.102.085132
Abstract: Influence of short-range four-fermion interactions on quadratic and cubic nodal-line fermion systems is studied by renormalization group theory. It is found that arbitrarily weak four-fermion interaction could drive quadratic or cubic nodal-line fermion system to… read more here.
Keywords: line fermion; quadratic cubic; nodal line; fermion ... See more keywords