Ok., I got it.
Maybe I should have thought about the algorithm a little more by myself, and not so much looked at some of the codes one can find on the net. (By now I think some of them are just plain wrong.)
I know, it is bad style to answer your own questions ... but anyway, if someone shows...
Hi,
I'm trying to understand(implement) Wang-Landau's algorithm to calculate the DOS. There are zillions of seemingly identical descriptions on the net, which I thought are straightforward to type into a machine - but when reading the papers(codes) I don't get the main point, i.e. for me it...
This is a rather frequent issue: the grand-canonical nature of most BCS-like approaches is not really related to any problems with concepts of broken symmetry. There are several truly canonical 'projected' versions of BCS available - which are eg. relevant in the context of small SC grains...
Actually the Ising model has quite some significance for the high temperature superconducting materials - though not for a description of high temperature superconductivity. The two dimensional asymmetric next-nearest neighbor Ising model (ASYNNNI) is widely used to describe the oxygen ordering...