• FEAST

  • Referenced in 83 articles [sw04025]
  • algorithm takes its inspiration from the density-matrix representation and contour integration technique in quantum...
  • KernSmooth

  • Referenced in 919 articles [sw04586]
  • simplest nonparametric curve estimation setting, namely density and regression estimation. Special attention is given ... basic knowledge of statistics, calculus and matrix algebra is assumed. In its role...
  • ALPS

  • Referenced in 19 articles [sw08907]
  • exact and full diagonalization (ED), the density matrix renormalization group (DMRG) both in a static...
  • QDENSITY

  • Referenced in 13 articles [sw01170]
  • main emphasis is on using the density matrix, although an approach using state vectors...
  • QCMPI

  • Referenced in 9 articles [sw01149]
  • cases with noise effects are implemented. Density matrix and entropy evaluations are provided in both...
  • KK

  • Referenced in 8 articles [sw10792]
  • particular the complete spin correlations density matrix of the initial-state beams and final state...
  • CheMPS2

  • Referenced in 4 articles [sw17633]
  • source spin-adapted implementation of the density matrix renormalization group for ab initio quantum chemistry ... density matrix renormalization group (DMRG) has become an indispensable numerical tool to find exact eigenstates...
  • QCWAVE

  • Referenced in 6 articles [sw06830]
  • code called QDENSITY. Use of the density matrix was emphasized in QDENSITY, although that code...
  • LDGM

  • Referenced in 8 articles [sw03195]
  • systematic linear codes with low-density generator matrix (LDGM codes) for channel coding and joint...
  • Quickstep

  • Referenced in 3 articles [sw26348]
  • CP2K. The GPW method allows for accurate density functional calculations in gas and condensed phases ... namely ionic forces and the Kohn–Sham matrix, can be computed in a consistent ... total energy and the Kohn–Sham matrix is scaling linearly with the system size, even ... obtained using an extrapolation of the density matrix. We illustrate these findings with calculations using...
  • ELSI

  • Referenced in 3 articles [sw29868]
  • shift-and-invert spectral transformations); NTPoly (density matrix purification...
  • Ergo

  • Referenced in 2 articles [sw37384]
  • electron Hartree–Fock and Kohn–Sham density functional theory electronic structure calculations using Gaussian basis ... Fock/Kohn–Sham matrix and density matrix construction. Both spin-restricted and unrestricted calculations are supported ... both pure and hybrid density functionals. The program also supports linear-scaling computation of highest...
  • tmvtnorm

  • Referenced in 18 articles [sw08073]
  • bivariate marginal densities. Computes first and second moments (i.e. mean and covariance matrix...
  • FeynDyn

  • Referenced in 1 article [sw16780]
  • calculates the dynamics of the reduced density matrix of an open quantum system modeled either ... open quantum system’s initial density matrix and a grid of times. With this ... program returns the reduced density matrix of the open quantum system at all moments specified ... integral for time propagation of the density matrix. When this program calculates this propagation...
  • DMRG++

  • Referenced in 2 articles [sw10217]
  • DMRG algorithm. In the Density Matrix Renormalization Group (DMRG) algorithm [S. White, Phys. Rev. Lett...
  • micrOMEGAs

  • Referenced in 60 articles [sw01425]
  • included in the computation of the relic density. Specific examples of this general approach include ... package for the automatic generation of squared matrix elements. This can be done through LanHEP...
  • EVSL

  • Referenced in 5 articles [sw27222]
  • quick calculation of the spectral density of a given matrix, or a matrix pair. What...
  • PEXSI

  • Referenced in 1 article [sw34243]
  • Kohn-Sham density functional theory. It efficiently evaluates certain selected elements of matrix functions ... Hamiltonian, which yields a density matrix. It can be used as an alternative to diagonalization ... methods for obtaining the density, energy and forces in electronic structure calculations. The PEXSI library ... evaluating certain selected elements of a matrix function, and therefore has application beyond electronic structure...
  • ALPS MPS

  • Referenced in 1 article [sw19924]
  • applications for the ALPS project. The density-matrix renormalization group method has become a standard...
  • TeNPy

  • Referenced in 1 article [sw27023]
  • equilibrium. In particular, the one-dimensional matrix-product (MPS) formalism is by now an established ... time-evolving block decimation and the density matrix renormalization group algorithm. Moreover, we provide...