initialization of Skyrmions code in mumax3

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Kshitish Raghavendra Mujumdar

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Sep 21, 2023, 2:00:50 PM9/21/23
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Hello, 
Can someone explain me how to do simulation which  is initialized in a Skyrmion lattice state with a Skyrmion diameter of 50 nm

Thank for time and consideration 

Warda Al Saidi

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Sep 23, 2023, 11:54:51 PM9/23/23
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To initialize a simulation in a Skyrmion lattice state with a Skyrmion diameter of 50 nm in MuMax3, you can follow these steps:

1. Define the geometry of the system: Define the size and shape of the simulation region using the SetGridSize and SetCellSize commands in the input script. For example, you can set the mesh size to 1 nm × 1 nm × 1 nm.
2. Define the magnetic properties of the system: Define the magnetic properties of the material being simulated, such as the saturation magnetization, exchange stiffness constant, and Dzyaloshinskii-Moriya interaction strength. These parameters can be defined using the Msat, Aex, and Dind commands in the input script (Theses parameters will play a role to determine the skyrmion size)
3. Initialize the system in a Skyrmion lattice state: Use the NeelSkyrmion(int, int) 

Kshitish Raghavendra Mujumdar

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Sep 25, 2023, 3:09:11 PM9/25/23
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I greatly appreciate your response; it has been truly beneficial to me. 
Thank you !

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