Dear,
Is there a method for the simulation of the system with competing interactions
e.g dipolar r^{-3} and quadrupolar r^{-5} distance dependence? From the paper
Fukui and Todo it is not clear for me.
Best regards,
Tadeusz
On Sat, 22 Aug 2009 12:00:03 +0200, comp-phys-alps-users-request wrote
> > Message: 1
> Date: Fri, 21 Aug 2009 19:07:39 +0900
> From: Synge Todo <wistaria(a)comp-phys.org>
> Subject: Re: [ALPS-users] inverse-sqare 1d ising chain
> To: Andrea Taroni <andrea.taroni(a)fysik.uu.se>,
> comp-phys-alps-users(a)phys.ethz.ch
> Message-ID: <EDEE50B2-E084-4602-B562-AA97D75E62B3(a)comp-phys.org>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> Dear Andrea,
>
> Currently, ALPS lattice and model libraries do not support long-
> range interactions, though you can simulate such models by
> specifying a graph with N(N-1)/ 2 bonds with different bond types
> for different bond lengths (and it will take O(N^2) CPU time).
>
> Or, I can send you our QMC code used in Fukui and Todo (2009) if you
> want.
>
> Best,
> Synge
>
> On 2009/08/21, at 17:45, Andrea Taroni wrote:
>
> > Dear All,
> >
> > Is there a straightforward way to simulate the classical inverse-
> > square
> > Ising model using ALPS? By straightforward, I mean using the kind of
> > recipe that is described in the tutorials section of the APLS
> > applications website.
> >
> > I am interested in comparing any eventual results with those presented
> > by Fukui and Todo J. Comp. Phys. 228, 2629 (2009), using a novel
> > order-N
> > cluster MC method.
> >
> > Thanks in advance!
> >
> > Andrea
>
> End of Comp-phys-alps-users Digest, Vol 41, Issue 3
> ***************************************************
Prof. dr hab. Tadeusz Wasiutynski
H. Niewodniczanski Institute of Nuclear Physics PAN
tel. +48(12)6628251 fax: +48(12)6628251
e-mail: tadeusz.wasiutynski(a)ifj.edu.pl