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Adding a new dimension to DFT calculations of solids ...

WIENncm: a non-collinear magnetism version of WIEN2k

(written by Robert Laskowski )

WIENncm allows to treat arbitrary non-collinear spin structures (with spin-orbit), but also spin-spirals with arbitrary q-vectors (without spin-orbit).

We expect that you cite R.Laskowski, P.Blaha, Physical Review B 69, 140408 (2004) in all publications using WIENncm.

Please note: This code is much more difficult to use than the standard WIEN2k code. Thus we expect potential users to be familiar with the physics of non-collinear magnetism, but also about WIEN2k and it's strategy about running the code, files, conventions,... Be aware that SCF-convergence is much more difficult and much larger computational ressources are needed.

Please also note that support is very limited (WIENncm comes with a small usersguide in $WIENNCM/DOC and some examples) and most likely only the author, R.Laskowski will be able to help. However, since he has many other obligations, he cannot support all kind of questions. Thus I expect that when you contact Robert for help, you give him also credit in terms of co-authorship on the corresponding publication.

Request and Registration

WIENncm is available for registered WIEN2k users free of charge.
Just send an email requesting WIENncm together with your WIEN2k-registration ID to

Code download

(after registration, requires user-id/pw)

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©2001 by P. Blaha and K. Schwarz