Table 1 The parameters and physical constants values used for the simulations.
From: Investigating skyrmion stability and core polarity reversal in NdMn2Ge2
Simulations | ||||
|---|---|---|---|---|
Parameter | No polarity switching | Polarity switching | NV comparison | Unit |
World size | 3072 \(\times\) 3072 \(\times\) 200 | 3072 \(\times\) 3072 \(\times\) 200 | 1980 \(\times\) 2220 \(\times\) 200 | \(\hbox {nm}^{3}\) |
Cell Size | 3 \(\times\) 3 \(\times\) 5 | 3 \(\times\) 3 \(\times\) 200 | 3 \(\times\) 3 \(\times\) 5 | \(\hbox {nm}^{3}\) |
PBC | (2,2,0) | (2,2,0) | (2,2,0) | 1 |
\(\alpha\) | 1.0 | 1.0 | 1.0 | 1 |
\(\text {D}_{\text {bulk}}\) | 0.0 | 1.0 \(\times 10^{-3}\) | 0 | J/\(\hbox {m}^{2}\) |
\(\text {A}_{\text {ex}}\) | 4 \(\times\) 10−12 | 4 \(\times\) 10−12 | 4 \(\times\) 10−12 | J/m |
\(\text {M}_{\text {sat}}\) | 220 \(\times\) 103 | 220 \(\times\) 103 | 220 \(\times\) 103 | A/m |
anisU | vector(0,0,1) | vector(0,0,1) | vector(0,0,1) | 1 |
\(\text {K}_{\text {u1}}\) | 5 \(\times\) 104 | 5 \(\times\) 104 | 5 \(\times\) 104 | J/\(\hbox {m}^{3}\) |
