Simulating two- and three-dimensional frustrated quantum systems with string-bond states

Details Simulating two- and three-dimensional frustrated quantum systems with string-bond states Simulating two- and three-dimensional frustrated quantum systems with string-bond states

2009-08-27

arxiv.org/abs/0908.4036v2

Phys. Rev. B 81, 214426 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

9 pages, 11 figures; v2: accepted version, Journal-Ref added

Scientific paper

10.1103/PhysRevB.81.214426

Simulating frustrated quantum magnets is among the most challenging tasks in computational physics. We apply String-Bond States, a recently introduced ansatz which combines Tensor Networks with Monte Carlo based methods, to the simulation of frustrated quantum systems in both two and three dimensions. We compare our results with existing results for unfrustrated and two-dimensional systems with open boundary conditions, and demonstrate that the method applies equally well to the simulation of frustrated systems with periodic boundaries in both two and three dimensions.

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