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About the DMRG and Numerical Methods category
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0
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429
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April 13, 2022
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Example codes for using QTT to solve a PDE
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2
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27
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April 15, 2025
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Unexpected scaling of OpSum
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7
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74
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April 15, 2025
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Numerical evidence for even-odd width effects in 2D repulsive Hubbard model (cylinder) at half-filling: Spin correlations and Haldane conjecture connection?
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0
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35
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April 6, 2025
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On computing Neutral Gap using OBC
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1
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44
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April 6, 2025
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Difference in observable value for spins with fully symmetric Hamiltonian
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1
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22
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April 4, 2025
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Customized Operator Error: "Fluxes not all equal"
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2
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45
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April 1, 2025
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Multi-point correlation function using ITensor DMRG
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5
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79
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March 24, 2025
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TDVP with Penatly Terms
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3
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70
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March 14, 2025
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Expectation value of an operator after dmrg using ground state.
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15
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93
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March 11, 2025
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Non-hermitian DMRG algorithm for steady state
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9
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57
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March 19, 2025
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Absence of a feedback in case of non hermitian hamiltonian
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21
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101
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March 7, 2025
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MPS purification and MPO purification
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0
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40
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March 5, 2025
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MPO for Anyon Hubbard model
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12
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74
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March 16, 2025
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On the naive contraction implementation
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0
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24
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February 28, 2025
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Gauge preserving MPO's
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2
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28
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February 28, 2025
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Problems in benchmarking DMRG + measurements - XX chain
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1
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46
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February 20, 2025
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ITensor TDVP Issue: Extra Qubit Acting as a Barrier
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2
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58
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February 12, 2025
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Error in coimputing CdagupCup_{at site 1}
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3
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17
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February 11, 2025
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Reduced density matrix of nonadjacent sites
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11
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174
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February 7, 2025
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Large RAM and vRAM usage in DMRG
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6
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68
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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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3
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40
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February 8, 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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40
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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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56
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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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45
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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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59
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January 8, 2025
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SVD, Singular value bond dimension with bond dimension zero
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1
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28
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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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68
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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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41
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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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100
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December 5, 2024
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