Monte Carlo Simulation with Dipole Dipole only

[Bibek Tiwari]

Hi,

Could you please say whether or not it is possible to do some simulations of nano particles (which are on 3d configurations) with only dipole interactions turned on. and disabling all other interactions using vampire. In particular using Monte carlo. Also using LLG. 

[Richard Evans]

Hi Bibek,

So, yes in principle, but probably only for the LLG solver. For this you need to use the “atomistic” dipole solver, and presumably with larger magnetic moments and anisotropies - these are supported. The MC solver will sample the phase space but may do extreme things, and the timescale is not meaningful. I guess if you want hysteresis for random particles/chains with temperatures this will work.

dipole:solver=atomistic

All the best,

Richard

On 7 Apr 2021, at 17:10, Bibek Tiwari <tiwari...@gmail.com> wrote:

Hi,

Could you please say whether or not it is possible to do some simulations of nano particles (which are on 3d configurations) with only dipole interactions turned on. and disabling all other interactions using vampire. In particular using Monte carlo. Also using LLG. 

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