TeNPy Forum

I want to do calculations on the Mix-D model. For example, a bilayer t-J model with no interlayer hopping, but with interlayer spin-spin interaction. Then I define a new t-J site, with 3 conservation numbers (Nt,Nb,Sz). When I am running the DMRG with this new t-J site, I found the result is very di...

I want to consider model with sublattice A and B, but only interactions of AA BB ABA, when I test the Heisenberg model with next-nearest-neighbor interaction I found the result is not right. My code is following: class Heisenberg(MultiCouplingModel, MPOModel): def __init__(self, model_params): # L =...