Adding time-dependency in a custom field quantity

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Subham Das

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Aug 29, 2025, 10:13:59 AM (12 days ago) Aug 29
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Hello,
I am adding SOT as a custom field. Can I add time-dependency and is it similar to STT where time-dependency needs to be where J is defined?

Thanks,
Subham

Subham Das

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Aug 29, 2025, 1:47:16 PM (12 days ago) Aug 29
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I have found another way to add time-dependent SOT. But, I would still like to know if one can add time-dependency in custom fields.

Thanks,

Josh Lauzier

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Aug 29, 2025, 3:18:21 PM (12 days ago) Aug 29
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Hi,

In general, anything that is purely made of user-defined terms shouldn't update with time automatically. J is the main place to put it, but you can also have time dependent material parameters (in particular, you can hide it in say, the FixedLayer). If you need something more flexible, I would recommend looking to a new feature in mumax3.11, that allows loading a custom time-dependent field from a file: https://groups.google.com/g/mumax2/c/pR3jEAdShBo/m/6tBg1oxDAAAJ

Is there something specific you're trying to achieve?

Best,
Josh L.

Subham Das

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Aug 29, 2025, 5:29:01 PM (12 days ago) Aug 29
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Thank you for the clarification. I will try this method. I am trying to add SOT as custom field with sinusoidal time-dependence.


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