Dear Emanuele,

That is no problem. You will need to add a bond of that distance to the unit cell, and can then assign a coupling to it.

Matthias

On Nov 26, 2012, at 5:30 AM, Emanuele Levi <emanuele.levi@gmail.com> wrote:

Dear ALPS developers,
does ALPS ( and in particular the DMRG solver) support spin Hamiltonians with non-next interacting terms, e.g. Sz(i)Sz(i+3)?
Many thanks.

Kindest regards.

--
Emanuele Levi

emanuele.levi@gmail.com