Constrained-path quantum Monte Carlo on a symmetric 2D torus finds a bond-nematic Dirac semimetal phase at intermediate coupling in spinless fermions on a checkerboard lattice.
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Interaction-induced nematic Dirac semimetal from quadratic band touching: A constrained-path quantum Monte Carlo study
Constrained-path quantum Monte Carlo on a symmetric 2D torus finds a bond-nematic Dirac semimetal phase at intermediate coupling in spinless fermions on a checkerboard lattice.