About the DMRG and Numerical Methods category
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411
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April 13, 2022
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How to use ITensors.jl to calculate a SU(3) spin model with SU(3) symmetry?
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0
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25
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January 16, 2025
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Excited states using dmrg calculations
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1
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31
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January 16, 2025
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some problem of purification program
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0
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27
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January 12, 2025
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Quantum number conservation in DMRG
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4
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47
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January 8, 2025
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Reduced density matrix of nonadjacent sites
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10
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138
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January 3, 2025
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SVD, Singular value bond dimension with bond dimension zero
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1
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25
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December 26, 2024
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How to keep zero singular values during SVD?
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8
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63
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December 25, 2024
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The question of calculating the zero-frequency Green's function for a one-dimensional interacting fermion model with open and periodic boundary conditions.
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0
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32
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December 6, 2024
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DMRG fails for complex Hamiltonian (still Hermitian)
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4
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87
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December 5, 2024
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Benchmarking my iDMRG code speed
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1
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48
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November 26, 2024
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Nearest neighbour spin-spin correlation in 1D Heisenberg Model
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4
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31
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November 14, 2024
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Applying DMRG to a 2d Model (Sandvik Model)
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3
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83
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November 13, 2024
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From exact diagonalization to MPS
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3
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38
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November 18, 2024
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VUMPS, Lapack running error at final outer_iters
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8
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29
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October 31, 2024
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VUMPS, How to use saved MPS file as an initial MPS
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5
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39
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October 30, 2024
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VUMPS example, 2d heisenberg model interaction term
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8
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103
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October 30, 2024
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How to simplify this contraction?
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1
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34
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October 28, 2024
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Heisenberg model with an external field
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2
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50
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October 24, 2024
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Applying DMRG to AKLT Hamiltonian.
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4
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87
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October 22, 2024
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Ensuring SU2 with Lagrange Multiplier speed up convergence?
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2
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29
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October 18, 2024
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Some basic questions on DMRG
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7
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85
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October 14, 2024
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VUMPS, How can i make 2D lattice model (cylinder shape)
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0
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25
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October 11, 2024
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Subspace expansion "noise" in DMRG
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6
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67
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October 8, 2024
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Questions about 'max dim' and 'cutoff' when ensuring convergence in TDVP
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3
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55
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October 6, 2024
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DMRG does not converge for particular phase
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5
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147
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October 6, 2024
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How to calculate the superfluid order parameter (<a>) for Bose-Hubbard model?
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1
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47
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October 3, 2024
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Issues using Block Sparse Multithreading
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4
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90
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October 2, 2024
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How to obtain the groundstate of a large system(N=20) by the groundstate of a small system (i.e.N=10)with same initial condition
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2
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35
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September 30, 2024
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Choosing Between Dynamical DMRG and ITensor's TDVP for Time Evolution of a Doped Mott Insulator on Multi-Core Clusters
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3
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84
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September 30, 2024
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