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Mott insulating states and quantum phase transitions of correlated<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mtext>SU</mml:mtext><mml:mo>(</mml:mo><mml:mn>2</mml:mn><mml:mi>N</mml:mi><mml:mo>)</mml:mo></mml:mrow></mml:math>Dirac fermions
The interplay between charge and spin degrees of freedom in strongly correlated fermionic systems, in particular of Dirac fermions, is a long-standing problem in condensed matter physics. We investigate the competing orders in the half-filled $\mathrm{SU}(2N)$ Hubbard model on a honeycomb lattice, which can be accurately realized in optical lattices …