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