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About the DMRG and Numerical Methods category
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0
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413
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April 13, 2022
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TDVP with Penatly Terms
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2
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24
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February 1, 2025
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ITensor TDVP Issue: Extra Qubit Acting as a Barrier
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0
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17
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January 30, 2025
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Large RAM and vRAM usage in DMRG
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6
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35
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January 30, 2025
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Issue with Majorana Wavefunction Calculation in a Topological Superconducting System
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2
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32
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January 29, 2025
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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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30
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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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40
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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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30
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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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50
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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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142
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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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26
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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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64
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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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88
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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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49
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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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32
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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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86
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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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40
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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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42
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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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104
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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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86
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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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26
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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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69
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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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56
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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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