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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)
    • 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)
      • Debugging output helpers (varipeps.utils.debug_print)
      • Helper to calculate perodic indices (varipeps.utils.periodic_indices)
      • CTM projector management helpers (varipeps.utils.projector_dict)
      • Random number helpers (varipeps.utils.random)
      • SVD helpers (varipeps.utils.svd)

Appendix

  • License
varipeps
  • variPEPS API reference
  • Utility functions (varipeps.utils)
  • View page source

Utility functions (varipeps.utils)

  • Debugging output helpers (varipeps.utils.debug_print)
    • debug_print()
  • Helper to calculate perodic indices (varipeps.utils.periodic_indices)
    • calculate_periodic_indices()
  • CTM projector management helpers (varipeps.utils.projector_dict)
    • Bottom_Projectors
    • Bottom_Projectors_Split_Transfer
    • Left_Projectors
    • Left_Projectors_Split_Transfer
    • Projector_Dict
    • Projector_Dict_Triangular
    • Right_Projectors
    • Right_Projectors_Split_Transfer
    • Top_Projectors
    • Top_Projectors_Split_Transfer
    • Unit_Cell_Bond_Dim_Projectors
  • Random number helpers (varipeps.utils.random)
  • SVD helpers (varipeps.utils.svd)
    • gauge_fixed_svd()
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