[ALPS-users] Question about iDMRG in ALPS

[Michele Dolfi]

Dear Axel,

Infinite systems are not supported in the current ALPS applications.

However some people in our group worked on infinite algorithm based on ALPS.

For example high temperature series expansion as well as perturbative series expansion by Andreas Hehn.
http://dx.doi.org/10.1016/j.cpc.2016.09.003 <http://dx.doi.org/10.1016/j.cpc.2016.09.003>

For infinite MPS there is also some work by Juan Osorio.


Best regards,
Michele

--
ETH Zurich
Dr. Michele Dolfi
Institute for Theoretical Physics
HIT G 32.4
Wolfgang-Pauli-Str. 27
8093 Zurich
Switzerland

dolfim at phys.ethz.ch
www.itp.phys.ethz.ch

+41 44 633 78 56 phone
+41 44 633 11 15 fax 

> On 18 Jan 2017, at 18:16, Axel Gagge <axel.gagge at fysik.su.se> wrote:
> 
> I have tried out using DMRG with an infinite lattice. I could not find any information about how to do infinite DMRG so I just assumed that I could define an infinite lattice graph and work with that.... However when I try this I get the error: "bad lexical cast: source type value could not be interpreted as target". This was for a 1d lattice graph of one site with one unit cell and the spin model. I have included the files I used along with this email just in case... 
> 
> Is this the correct way to approach this or is there any other way to get out iDMRG calculations?​
> 
> Best
> /Axel
> PhD Student
> Stockholm University
> <my_models.xml><my_lattices.xml><Test of iDMRG.ipynb>
> 
> ----
> Comp-phys-alps-users Mailing List for the ALPS Project
> http://alps.comp-phys.org/ <http://alps.comp-phys.org/>
> 
> List info: https://lists.phys.ethz.ch//listinfo/comp-phys-alps-users <https://lists.phys.ethz.ch//listinfo/comp-phys-alps-users>
> Archive: https://lists.phys.ethz.ch//pipermail/comp-phys-alps-users <https://lists.phys.ethz.ch//pipermail/comp-phys-alps-users>
> 
> Unsubscribe by writing a mail to comp-phys-alps-users-leave at lists.phys.ethz.ch <mailto:comp-phys-alps-users-leave at lists.phys.ethz.ch>.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.phys.ethz.ch/pipermail/comp-phys-alps-users/attachments/20170118/28775c74/attachment.html>