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Getting started

  • Introduction
  • Installation using pip
  • Core Features
  • Usage
  • Citation

variPEPS

  • Variational iPEPS
  • iPEPS Unit Cells

Examples

  • Overview
  • Heisenberg antiferromagnet on the square lattice
  • Heisenberg antiferromagnet on the triangular lattice

API documentation

  • Public API Reference
    • Config of variPEPS module (varipeps.config)
    • Contractions definitions and helper methods (varipeps.contractions)
    • CTMRG method (varipeps.ctmrg)
      • Calculate the new CTMRG tensors for a single step (varipeps.ctmrg.absorption)
      • Calculation of CTMRG projectors (varipeps.ctmrg.projectors)
      • Calculate the new converged CTMRG tensors (varipeps.ctmrg.calc_ctmrg_env() and varipeps.ctmrg.calc_ctmrg_env_custom_rule())
    • Calculation of expectation values (varipeps.expectation)
    • Mapping of other structures to PEPS unitcells (varipeps.mapping)
    • Variational optimizer for the PEPS network (varipeps.optimization)
    • Implementation of PEPS structure (varipeps.peps)
    • Typing helper (varipeps.typing)
    • Utility functions (varipeps.utils)

Appendix

  • License
varipeps
  • variPEPS API reference
  • CTMRG method (varipeps.ctmrg)
  • View page source

CTMRG method (varipeps.ctmrg)

  • Calculate the new CTMRG tensors for a single step (varipeps.ctmrg.absorption)
  • Calculation of CTMRG projectors (varipeps.ctmrg.projectors)
  • Calculate the new converged CTMRG tensors (varipeps.ctmrg.calc_ctmrg_env() and varipeps.ctmrg.calc_ctmrg_env_custom_rule())
    • calc_ctmrg_env()
    • calc_ctmrg_env_custom_rule()
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