Search found 2 matches

by Bernhard
06 May 2020, 23:39
Forum: HowTos and FAQ for TeNPy
Topic: Translationally Invariant MPS from Single Site DMRG
Replies: 4
Views: 5611

Re: Translationally Invariant MPS from Single Site DMRG

Thank you very much for your answer, that makes sense. Too bad that TeNPy does not allow for the use of just a single tensor. Instead of trying to rewrite all that code I found another way to work around that and I'll put it here in case anyone else has a similar problem. If we know that there is a ...
by Bernhard
04 May 2020, 13:02
Forum: HowTos and FAQ for TeNPy
Topic: Translationally Invariant MPS from Single Site DMRG
Replies: 4
Views: 5611

Translationally Invariant MPS from Single Site DMRG

Hi, I want to find a translationally invariant iMPS representation of the following model H = \sum_i t_0 Z_i + t_1 X_i X_{i+1} + t_2 Z_i X_{i+1} Z_{i+2}, \quad t_0,t_1,t_2 \in\mathbb{R}. As the usual iDMRG algorithm uses two sites and gives back two different MPS tensors for the two different sites,...