Numerical study of the two-dimensional Hubbard model Export

@article{citeulike:876341, abstract = {We report on a numerical study of the two-dimensional Hubbard model and describe two new algorithms for the simulation of many-electron systems. These algorithms allow one to carry out simulations within the grand canonical ensemble at significantly lower temperatures than had previously been obtained and to calculate ground-state properties with fixed numbers of electrons. We present results for the two-dimensional Hubbard model with half- and quarter-filled bands. Our results support the existence of long-range antiferromagnetic order in the ground state at half-filling and its absence at quarter-filling. Results for the magnetic susceptibility and the momentum occupation along with an upper bound to the spin-wave spectrum are given. We find evidence for an attractive effective d -wave pairing interaction near half-filling but have not found evidence for a phase transition to a superconducting state.}, author = {White, S. R. and Scalapino, D. J. and Sugar, R. L. and Loh, E. Y. and Gubernatis, J. E. and Scalettar, R. T.}, citeulike-article-id = {876341}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevB.40.506}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRB/v40/i1/p506_1}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRB/v40/i1/p506_1}, day = {1}, doi = {10.1103/PhysRevB.40.506}, journal = {Physical Review B}, keywords = {algorithm, hubbard}, month = {July}, number = {1}, pages = {506+}, posted-at = {2006-09-28 15:14:30}, priority = {0}, publisher = {American Physical Society}, title = {Numerical study of the two-dimensional Hubbard model}, url = {http://dx.doi.org/10.1103/PhysRevB.40.506}, volume = {40}, year = {1989} }

TY - JOUR ID - citeulike:876341 L3 - citeulike-article-id:876341 N2 - We report on a numerical study of the two-dimensional Hubbard model and describe two new algorithms for the simulation of many-electron systems. These algorithms allow one to carry out simulations within the grand canonical ensemble at significantly lower temperatures than had previously been obtained and to calculate ground-state properties with fixed numbers of electrons. We present results for the two-dimensional Hubbard model with half- and quarter-filled bands. Our results support the existence of long-range antiferromagnetic order in the ground state at half-filling and its absence at quarter-filling. Results for the magnetic susceptibility and the momentum occupation along with an upper bound to the spin-wave spectrum are given. We find evidence for an attractive effective d -wave pairing interaction near half-filling but have not found evidence for a phase transition to a superconducting state. IS - 1 JF - Physical Review B TI - Numerical study of the two-dimensional Hubbard model PB - American Physical Society VL - 40 SP - 506 KW - algorithm KW - hubbard AU - White, SR AU - Scalapino, DJ AU - Sugar, RL AU - Loh, EY AU - Gubernatis, JE AU - Scalettar, RT PY - 1989/07/01/ UR - http://dx.doi.org/10.1103/PhysRevB.40.506 ER -