Table 1 Characteristic switching pulse amplitudes.
From: Fast barrier-free switching in synthetic antiferromagnets
Case | Pulse shape, \( H_i(t)=4 \pi M_{\text {s}} h_i(t)\) | Amplitude, analytical \(\left( H_i^{\max } \right) \) | Amplitude, value at \(T \sim 3 \times 10 ^{-10}\) s (Oe) |
---|---|---|---|
1 | \(H_1^{\max }/\text {ch} (t/T))\) | \( \hbar /2\mu _0 T\) | 190 |
2 | \(H_2^{\max }/\text {ch}^2 (t/T)\) | \( \pi \hbar /4 \mu _0 T\) | 300 |
3 | \(H_3^{\max } /[1+(t/T)^2]\), Lorentzian | \(\hbar /2\mu _0 T\) | 190 |
4 | \(H_4^{\max } \exp \left( -t/T\right) ^2\) , Gaussian | \(\sqrt{\pi }\hbar / 2 \mu _0 T\) | 330 |