Mezzacapo, Fabio Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
Mezzacapo, F. (2012). Ground-state phase diagram of the quantum J1- J2 model on the square lattice. Physical Review B; Published by the American Physical Society through the American Institute of Physics, Woodbury, NY, 86(4): 045115. doi:10.1103/PhysRevB.86.045115.