ITensors.jl

The core of the ITensor ecosystem. Defines the ITensor type and basic ITensor operations.

Developers: Matt Fishman,
Miles Stoudenmire

ITensorMPS.jl

Types and algorithms for MPS and MPO tensor networks, including DMRG, TDVP, gate evolution, and MPS and MPO algebra operations.

Developers: Matt Fishman,
Miles Stoudenmire

ITensorGaussianMPS.jl

Tools for transforming Gaussian (non-interacting) states of fermions into matrix product states.

Developers: Matt Fishman

ITensorVisualizationBase.jl

Tools for visualizing tensor networks with multiple graphical backend options including Makie and UnicodePlots.

Developers: Matt Fishman

ITensor

The core of the ITensor C++ ecosystem. Defines the ITensor type, networks of ITensors, and related operations.

Developers: Miles Stoudenmire,
Matt Fishman

TDVP

The official implementation of the time-dependent variational principle (TDVP) algorithm for the C++ version of ITensor.

Developers: Mingru Yang

ITensorNetworks.jl

A package with general tools for working with higher-dimensional tensor networks based on ITensor.

Developers: Matt Fishman, Joey Tindall

ITensorInfiniteMPS.jl

Package for optimizing infinite matrix product states (MPS) with the VUMPS algorithm and other tools for working with infinite MPS.

Developers: Matt Fishman, Loic Herviou

ITensorParallel.jl

Shared and distributed memory parallel MPS algorithms, such as DMRG, TDVP, and TEBD.

Developers: Matt Fishman, Benedikt Kloss

ITensorChemistry.jl

Tools to perform chemistry DMRG and other calculations.

Developers: Matt Fishman, Giacomo Torlai

PastaQ is a package for quantum computing calculations including tomography, optimization, and simulations.

Developers: Giacomo Torlai, Matt Fishman

ITensorCorrelators.jl

Package for measuring n-point correlators of matrix product states.

Developers: Niccolò Baldelli, Matt Fishman

ITensorMPOConstruction.jl

Fast algorithms for constructing matrix product operators (MPO) from sums of local operators, compatible with ITensorMPS.jl.

Developers: Ben Corbett, Matt Fishman

ITensorAGP.jl

Package that constructs the adiabatic gauge potential (AGP) as a matrix product operator, which can be used to adiabatically evolve matrix product states.

Developers: Hyeongjin Kim, Matt Fishman

ITensorMPOCompression.jl

A package to enable block respecting compression of matrix oroduct operators (MPOs), for use with ITensors.jl

Developers: Jan Reimers

DMRGPy

DMRGPy is a Python library built on top of ITensor for DMRG, matrix product states, and other calculations as well as exact diagonalization.

Developers: Jose Lado

ITensorNumericalAnalysis.jl

A package for constructing and manipulating low-rank Tensor Network representations of multi-dimensional functions, and solving integral/differential equations.

Developers: Joseph Tindall, Ryan Levy, Ryan Anselm, Matt Fishman

ITensorEntropyTools.jl

ITensorEntropyTools.jl provides tools to compute the entanglement entropy and mutual information of MPS or tree tensor like objects.

Developers: Ryan Levy

Observers.jl

Helper class for collecting data within iterative calculations.

Developers: Matt Fishman, Giacomo Torlai

SerializedElementArrays.jl

Julia array with elements stored in disk (hard drive) memory.

Developers: Matt Fishman

NamedGraphs.jl

Graph types with named or labelled vertices, built on top of Graphs.jl and offering similar methods.

Developers: Matt Fishman, Joseph Tindall

DataGraphs.jl

Graph types which can store arbitrary data associated to each edge or vertex.

Developers: Matt Fishman

ITensorTDVP.jl

Package previously containing experimental TDVP and other MPS codes These methods are now available through the ITensorMPS package.

Developers: Matt Fishman,
Miles Stoudenmire