Mezzacapo, Fabio Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
Mezzacapo, F., & Boninsegni, M. (2012). Ground-state phase diagram of the quantum J1−J2 model on the honeycomb lattice. Physical Review B, 85(6): 060402(R). doi:10.1103/PhysRevB.85.060402.