Table 2: The expectation value of the magnetic dipole moment operator (Eq. 16) for the torus in Figure 1, and the corresponding classical calculation (Eq. 11) as a function of the applied magnetic field.
B field (T) | Quantum M | Classical M | Difference (percent) |
200 | -3.62 | -3.74 | -3.21 |
150 | -6.81 | -6.83 | -1.67 |
100 | -4.57 | -4.62 | -1.08 |
50 | -5.03 | -5.07 | -0.79 |
0 | -5.48 | -5.52 | -0.72 |
-50 | -5.93 | -5.96 | -0.50 |
-100 | -6.37 | -6.40 | -0.47 |
-150 | -6.81 | -6.83 | -0.29 |
-200 | -7.25 | -7.28 | -0.41 |