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About the DMRG and Numerical Methods category
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0
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476
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April 13, 2022
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How to compute inner product of MPS with another MPS translated by 1 right sites
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7
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126
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April 3, 2026
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TDVP for density matrix and local observable expectation value
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3
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63
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March 19, 2026
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MPO flux not equal when it is symmetric but contains non-zero flux
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3
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46
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March 9, 2026
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Time dependent correlation functions with TDVP
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5
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79
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March 16, 2026
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Problem with exp and sparse matrices
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2
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48
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March 2, 2026
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TDVP slow significant slowdown after N=5 qubits
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3
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53
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February 18, 2026
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Using the expand function with a 1-site TDVP
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2
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49
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February 14, 2026
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High-Precision Sampling for Large QFT-MPS (N≈256)
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4
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73
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February 23, 2026
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Slow convergence of spin 1 AF Heisenberg chain
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2
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63
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February 5, 2026
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Parallel DMRG in ITensorParallel.jl
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0
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47
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January 29, 2026
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Customized Operator Error: "Fluxes not all equal"
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3
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135
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January 28, 2026
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Spin Spin correlation for 2 leg isotropic heisenberg model
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0
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33
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January 16, 2026
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Energy calculation for degenerate states
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1
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44
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January 14, 2026
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DMRG3S with subspace expansion and randomized SVD
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0
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49
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January 2, 2026
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TEBD Truncation Error
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5
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91
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December 13, 2025
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ED vs. DMRG overlap != 1.
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4
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91
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December 12, 2025
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DMRG large spin question
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2
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44
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November 25, 2025
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Custom lattices and custom "initial" states
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5
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141
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November 19, 2025
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Correct approach for transposing/reflecting iMPS with multi-site unit cell (ITensorInfiniteMPS)
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0
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55
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September 19, 2025
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Using the sum of exponentials to fit long-range interactions
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3
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97
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September 6, 2025
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cuTENSOR not working with DMRG
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6
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105
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September 3, 2025
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Explicitly Limiting the Bond Dimension of MPO upon Construction
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4
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90
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August 28, 2025
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Small errors in on-site density in TDVP: without increasing BD?
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0
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40
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August 26, 2025
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Calculate dynamic correlation function for fermonic operators in ITensor
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2
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69
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August 24, 2025
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Entanglement entropy from DMRG for XXZ model
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3
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140
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August 7, 2025
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Exited state with fixed QN
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2
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66
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July 22, 2025
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How to build an MPO using 2-sites local operators?
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1
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86
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July 17, 2025
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Dynamical Structure Factor of 1D Spin-1 chain
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1
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85
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July 12, 2025
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Using ITensorMPS to efficiently calculate all principal minors of a matrix
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0
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48
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July 8, 2025
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