mumax2

Dear mumax community, The minor patch 3.11.1 has now been released, which solves a couple of bugs.

In Mumax 3.10 I have an issue: it cannot recognize the freelayerthickness variable that I mentioned

Hi Josh, I am forwarding this mail to you for your attention. I checked the mx dynamics for my code (

Hi, judging by the plot, you just accidentally transposed the k axis with ω axis. I'd recommend

Hello. I am a 2nd year MSc student currently working on the implementation of anistropic DMI in

Hi The alignment caused by setting `sub2.msat` is caused by magnetostatic interactions. These can be

Hi, The main practical limitation in normal usage will be your timestep. That is the smallest step

Hello sir, Thank you Sir for your reply. Your suggestion worked well. The code is now running

Hi, The mx3 file seems to be missing. The attached file labeled "mx3_script" seems to be

Dear kc gong, There is signal visible in your plot at a frequency of 0 GHz. You may wish to omit the

If you try to use ext_bubblepos without PBC the spins along the edges of the sample cant slightly

Thank you for your insightful comments. They have provided great guidance for my work. Best regards!

Thank you for your interesting reply! I made tests with square regions, it does not change the

Hi everyone, I am trying to simulate a Skyrmion OR gate using a Y-junction geometry. My goal is for

Hi, how exactly did you try to obtain the dispersion? Which parameters did you use in simulation?

Dear mumax community, I am confused about the parameter “Pol” for a long time. Is the the electrical

I have a question regarding the definition of annihilation time in the context of magnetization

Hi, geom2D.Scale(dx, dy, 1) will rescale the image multiplicatively by that factor. so for instance,

Dear Josh, Thank you for your detail explained the MFM in mumax3 and compared it with Ubermag. Your

Hi I am currently conducting research on using temperature gradients to excite spin waves in Mumax.

I understand, I will give it a try. Thank you very much for your help and time! Respectfully,

Hi Josh, Thank you very much for the clear and detailed explanation — that makes perfect sense. In my

Hi all The gyromagnetic ratio in mumax+ has now been promoted to the Parameter class in PR#119,

Hi Dusyant, There is a link to the older .zip files at the bottom left of the "downloads"

Hi, The main issue is that you are using a sin() excitation instead of a sinc(). This will only

Hi i modified my code and it displayed right ,thank you for your answer 在2026年1月13日星期二 UTC+8 14:43:46

Thank you, Josh, for the confirmation and clarification. On Wed, 14 Jan, 2026, 12:50 pm Josh Lauzier,

Hi, I am not aware of an existing tool that can do this. But it should be pretty straightforward to

Hi Huan Kiat Koh, 300x300nm thin film with no PBC, versus a 100x100nm thin film with PBC(1,1,0) are

Thank you for taking your time to reply. According to the article, the simulation for this figure was

Hi, There is no built in function, but you can save each energy or the total energy by adding them to