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

  • Alessandro Sfondrini /
  • Javier Cerrillo /
  • Norbert Schuch /
  • J. Ignacio Cirac
Journal ar
Physical Review B - Condensed Matter and Materials Physics
  • Volumen: 81
  • Número: 21
  • Fecha: 18 June 2010
  • ISSN: 10980121 1550235X
  • Source Type: Journal
  • DOI: 10.1103/PhysRevB.81.214426
  • Document Type: Article
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. © 2010 The American Physical Society.

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