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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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69
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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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111
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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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63
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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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42
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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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116
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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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53
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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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33
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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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53
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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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114
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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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39
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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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57
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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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105
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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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37
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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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102
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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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31
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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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81
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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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64
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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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156
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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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61
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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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111
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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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40
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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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122
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September 30, 2024
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Negative energy variance
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1
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35
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September 25, 2024
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Mixed-site (Boson,spin) model Expected value of <ni>
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5
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96
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October 5, 2024
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Iterative MPS Compression
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3
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45
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October 3, 2024
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Why is my eigsolve call so slow?
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3
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48
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September 23, 2024
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Mixed-site (Boson,spin) model
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3
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113
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September 17, 2024
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solving a linear problem with alternating_update
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7
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64
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September 4, 2024
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