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- 04 Apr 2024, 14:21
- Forum: HowTos and FAQ for TeNPy
- Topic: How to add couplings correctly for iDMRG?
- Replies: 1
- Views: 11016
How to add couplings correctly for iDMRG?
Hi everyone, I have the following problem concerning iDMRG and in particular how to correctly add couplings. Consider a 1D Hamiltonian like this H=-t\sum_i(b_i^\dagger b_{i+1}+\text{h.c.}) + \sum_i\sum_{r>0}^CV(r)n_in_{i+r} , i.e. an extended (hard-core) Bose-Hubbard model with NN hopping and long-r...