gem

Contents

  • Installation
    • Dependencies
      • Core
      • Solvers
      • Testing
      • Documentation
    • Installation Steps
    • Custom CMake Options
    • Environment setup
  • User Guide
    • Theoretical Background
      • The Ghost Gutzwiller Approximation
      • The ghost embedding functional
      • Self-Consistency Loop
    • Examples
      • E1 — Thermodynamics of the Hubbard Model on the Bethe Lattice
        • Setup
        • Self-consistency loop
        • Observables
        • Results
      • E2 — Antiferromagnetism on the Square Lattice and its Critical Temperature
        • Setup
        • Self-consistency loop
        • Results
      • E3 — Hund’s Physics in the Multi-Orbital Hubbard-Kanamori Model
        • Setup
        • Self-consistency loop
        • Results
  • API Reference
    • Core Modules
      • gem.fragment
        • gem.fragment.Fragment
          • Fragment
          • gem.fragment.Fragment.compute_Z
          • gem.fragment.Fragment.compute_energy
          • gem.fragment.Fragment.compute_self_energy
          • gem.fragment.Fragment.impose_orbital_symmetry
          • gem.fragment.Fragment.impose_spin_SU2_symmetry
          • gem.fragment.Fragment.load_fragment
          • gem.fragment.Fragment.save_fragment
          • gem.fragment.Fragment.solve_impurity
          • gem.fragment.Fragment.update_hybridization
          • gem.fragment.Fragment.update_self_energy
          • gem.fragment.Fragment.__init__
          • gem.fragment.Fragment.compute_Z
          • gem.fragment.Fragment.compute_energy
          • gem.fragment.Fragment.compute_self_energy
          • gem.fragment.Fragment.impose_orbital_symmetry
          • gem.fragment.Fragment.impose_spin_SU2_symmetry
          • gem.fragment.Fragment.load_fragment
          • gem.fragment.Fragment.save_fragment
          • gem.fragment.Fragment.solve_impurity
          • gem.fragment.Fragment.update_hybridization
          • gem.fragment.Fragment.update_self_energy
      • gem.lattice
        • gem.lattice.Lattice
          • Lattice
          • gem.lattice.Lattice.compute_Gloc
          • gem.lattice.Lattice.compute_ekin
          • gem.lattice.Lattice.compute_functional
          • gem.lattice.Lattice.fit_mu
          • gem.lattice.Lattice.fit_mu_fragment
          • gem.lattice.Lattice.fit_mu_quasiparticle
          • gem.lattice.Lattice.load_lattice
          • gem.lattice.Lattice.save_lattice
          • gem.lattice.Lattice.solve_qp
          • gem.lattice.Lattice.__init__
          • gem.lattice.Lattice.compute_Gloc
          • gem.lattice.Lattice.compute_ekin
          • gem.lattice.Lattice.compute_functional
          • gem.lattice.Lattice.fit_mu
          • gem.lattice.Lattice.fit_mu_fragment
          • gem.lattice.Lattice.fit_mu_quasiparticle
          • gem.lattice.Lattice.load_lattice
          • gem.lattice.Lattice.save_lattice
          • gem.lattice.Lattice.solve_qp
      • gem.solvers
        • gem.solvers.gem_solver
          • gem.solvers.gem_solver.gemSolver
        • gem.solvers.simple_ed
          • gem.solvers.simple_ed.build_cid_cj_csc
          • gem.solvers.simple_ed.build_two_body_ijkl_csc_2
          • gem.solvers.simple_ed.table_ep
          • gem.solvers.simple_ed.table_es
          • gem.solvers.simple_ed.SimpleED
        • gem.solvers.solver_template
          • gem.solvers.solver_template.SolverTemplate
      • fragment
      • lattice
      • solvers
        • simple_ed
          • Real and complex precision
    • Utilities
  • References
  • Reporting issues
  • Changelog
    • Version 1.0.0
      • Contributors
  • About GEM
gem
  • Search

© Copyright 2026 The Simons Foundation, authors: S. Giuli, O. Gingras.