Matches in SemOpenAlex for { <https://semopenalex.org/work/W1937393237> ?p ?o ?g. }
- W1937393237 abstract "Based on the two-dimensional $ensuremath{pi}$-flux model, we study the interaction effects both in nontrivial massive and massless Dirac fermions with the numerical exact diagonalization method. In the presence of the nearest and next-nearest neighbor interactions: For a nontrivial massive Dirac fermion, the topological phase is robust and persists in a finite region of the phase diagram; while for the massless Dirac fermion, charge-density wave and stripe phases are identified and the phase diagram in the $({V}_{1},{V}_{2})$ plane is obtained. When the next-next-nearest neighbor interaction is further included to massless Dirac fermion, the topological phase expected in the mean-field theory is absent. Our results are related to the possibility of dynamically generating a topological phase from the electronic correlations." @default.
- W1937393237 created "2016-06-24" @default.
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- W1937393237 date "2013-08-01" @default.
- W1937393237 modified "2023-09-27" @default.
- W1937393237 title "Effect of interactions on two-dimensional Dirac fermions" @default.
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- W1937393237 doi "https://doi.org/10.1103/physrevb.88.075101" @default.
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