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bp-sdp

general purpose boundary point method for the optimization of the 2DM. No symmetries implemented

bp-sdp-su-2-

Implementation of the boundary point method to optimize the 2DM for hamiltonians which are SU(2) invariant

btas

block-sparse tensor library and blas interfaces on blitz++

hessian-v2dm

Implementation of a dual-only potential reduction and primal-dual semidefinite optimization program for the variational determination of the 2DM, in which the Hessian is explicitly constructed for the solution of the Newton equations.

hessian-v2dm-1d-hub

Implementation of the dual only potential reduction and primal dual method for the determination of the 2DM for the 1D Hubbard model. The Hessian for the solution of the Newton equations is explicitly constructed

hessian-v2dm-2d-hub

mplementation of the dual only potential reduction and primal dual method for the determination of the 2DM for the 2D Hubbard model. The Hessian for the solution of the Newton equations is explicitly constructed

hessian-v2dm-su-2-

Spin symmetric implementation of the dual only potential reduction and primal dual method for the determination of the 2DM. The Hessian for the solution of the Newton equations is explicitly constructed.

hubbard-gpu

Calculate the groundstate energy of 1D and 2D Fermi-Hubbard model on the GPU with Cuda.

jastrow_gfmc

implementation of the gfmc algorithm for the 2D Heisenberg model using Jastrow trail and guiding wavefunctions

jastrow_vmc

VMC optimization of jastrow wavefunction for the 2D Heisenberg model

linmol

Semidefinite programming algorithm for the optimization of the 2DM for molecules with axial rotational symmetry. Integrals are calculated using the libint2 library.

mps-mc

lattice GF QMC algorithm using MPS as guiding wave function

mpsqmc

pd-sdp

Implementation of a primal-dual semidefinite optimization program for the variational determination of the 2DM. No symmetries implied.

pd-sdp-su-2-

Implementation of a primal-dual semidefinite optimization program for the variational determination of the 2DM. Block digaonalization is implemented for Hamiltonians which have SU(2) symmetry.

peps

peps-afqmc

peps-gfqmc

lattice GF QMC algorithm using PEPS as guiding wave function

peps_j1j2

pr-sdp

Implementation of a dual-only potential reduction semidefinite optimization program for the variational determination of the 2DM. No symmetries implied.

pr-sdp-su-2-

Spin symmetric implementation of the dual only potential reduction method for the determination of the 2DM.

qmc_btas

afqmc implementation using btas library

spin_dmrg

This is a simple dmrg algorithm based on Naoki Nakatini's example dmrg code from the BTAS library. I just added my own MPO's and MPS/MPO functionalities from MPSblas.h, to compress, canonicalize and contracts MPS and MPO's. It uses the two and one-site algorithm to optimize general spin systems.

v2.5dm-hub

Implementation of three different semidefinite programming algorithms for the optimization of the 2.5DM, using lifting conditions. Code is adapted to exploit all symmetries present in the 1D Hubbard model.

v2.5dm-spin

Implementation of three different semidefinite programming algorithms for the optimization of the 2.5DM, using lifting conditions. Code is adapted for SU(2) symmetric Hamiltonians

v2dm-1d-hubbard

Semidefinite program for the variational determination of the reduced density matrix for the 1D Hubbard model using three different semidefinite programming algorithms. All symmetries present in the system have been exploited: SU(2) spin symmetry and translational invariance combined with parity.

v2dm-2d-hubbard

Implementation of three different semidefinite programming algorithms for the optimization of the 2DM, tailored to the 2D Hubbard model. All spatial symmetries have been exploited.

vccd