[gambit-list] optimizing computer simulations of the Ising model

olaf.rogalsky at web.de olaf.rogalsky at web.de
Wed Feb 25 17:22:46 EST 2009


Depending on what you are trying to do, great speed improvements can be  
achieved by
"entropic sampling"/"importance sampling", where mircocanonical phase  
states are visited with
a propability, which is inverse proportional to the density of states.  
There is a large
literature on this topic, for example:

http://en.wikipedia.org/wiki/Importance_sampling
http://www.cms.tuwien.ac.at/media/pdf/publications/PRE_71_066705_2005.pdf
http://hrma.physics.sjtu.edu.cn/SimulationPhysics/PRL02050.pdf

Olaf

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