Bibliography

[Xu11]Xu, J., Chang, C. C., Walter, E. J., & Zhang, S. Spin-and charge-density waves in the Hartree–Fock ground state of the two-dimensional Hubbard model. J. Phys. Cond. Mat., 23, 505601, (2011).
[Qin16]Qin, M, Hao, S., & Zhang, S. Coupling Quantum Monte Carlo and independent-particle calculations: Self-consistent constraint for the sign problem based on the density or the density matrix, Phys. Rev. B 94, 235119 2016.
[Motta17]Motta, M, & Zhang, S. Ab initio computations of molecular systems by the auxiliary-field quantum Monte Carlo method, arXiv:1711.02242 (2017).