peps-torch
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Contents:
iPEPS
Generic iPEPS
Kagome iPEPS
1-site C4v iPEPS
1-site iPEPS from lin. combination
Generic Kagome iPESS
Kagome iPESS with point groups
Kagome iPESS from lin. combination
Abelian-symmetric iPEPS
Generic abelian-symmetric iPEPS
Generic abelian-symmetric iPEPS with weights
Abelian-symmetric Kagome iPEPS
Abelian-symmetric 1-site C4v iPEPS
Abelian-symmetric generic Kagome iPESS
Environments
Generic iPEPS
Environment
Corner Transfer Matrix Algorithm
Projectors
Components
Reduced Density Matrices
Specific RDMs for Kagome iPEPS
Correlation functions
Transfer Matrices
Abelian-symmetric generic iPEPS
Abelian-symmetric environment
Corner Transfer Matrix Algorithm
Projectors
Components
Reduced Density Matrices
Specific RDMs for Kagome iPEPS
1-site C4v iPEPS
1-site C4v Environment
Corner Transfer Matrix Algorithm
Reduced Density Matrices
Transfer Matrices
Correlation functions
Abelian-symmetric 1-site C4v iPEPS
Abelian-symmetric 1-site C4v Environment
Corner Transfer Matrix Algorithm
Reduced Density Matrices
Correlation functions
Optimization
Optimization drivers
ad_optim
ad_optim_lbfgs_mod
ad_optim_sgd_mod
Custom optimizers
Extended LBFGS
SGD with linesearch
Configuration
Main
Global
Corner Transfer Matrix Algorithm
Optimization
Models
Spin S=2 AKLT Model
2x1 and 2x2 unit cell
1x1 C4v
Coupled Spin Chains
Coupled Ladders
Dense (PyTorch)
Dense (YAST)
With explict U(1) symmetry
Transverse Field Ising Model
1x1 unit cell
1x1 C4v
J1-J2-J3 and J1-J2-lambda Heisenberg Model
from 2x1 to 4x2 unit cell (PyTorch)
from 2x1 to 4x2 unit cell (dense YAST)
1x1 C4v (PyTorch)
1x1 C4v (dense YAST)
J-Q Model
2x2 unit cell
1x1 C4v
SU(2) model on Kagome lattice
Dense
With explict U(1) symmetry
SU(3) model on Kagome lattice
Dense
With explict U(1)xU(1) symmetry
Groups
Point group: square lattice
SU(2)
SU(2) with explicit U(1) structure
SU(3)
SU(3) with explicit U(1)xU(1) structure
Linear Algebra
Truncated eigendecomposition
Truncated SVD
Spectral decompositions
SVD
Partial SVD
Randomized SVD
Symmetric Eigendecomposition
Partial diagonalization
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