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cond-mat.str-el2010★ 37 cited
The itinerant ferromagnetic phase of the Hubbard model
Giuseppe Carleo, Saverio Moroni, Federico Becca +1
Using a newly developed quantum Monte Carlo technique, we provide strong evidence for the stability of a saturated ferromagnetic phase in the high-density regime of the two-dimensi…
cond-mat.other2010★ 18 cited
Reptation quantum Monte Carlo for lattice Hamiltonians with a directed-update scheme
Giuseppe Carleo, Federico Becca, Saverio Moroni +1
We provide an extension to lattice systems of the reptation quantum Monte Carlo algorithm, originally devised for continuous Hamiltonians. For systems affected by the sign problem,…