Helmholtz Coils

Terms: Helmholtz Coils (16,600), helmholtz coil (3,010), triaxial helmholtz (43),

Boolean: helmholtz AND (coil OR coils) AND "off axis" (238),

Wikipedia - Dipole, Magnetic dipole-dipole interaction, Nuclear magnetic moment,  

B(\mathbf{r}, \lambda) = \frac {\mu_0} {4\pi} \frac {\mathbf{M}} {r^3} \sqrt {1+3\sin^2\lambda}

\mathbf{B}(\mathbf{r}) = \frac {\mu_0} {4\pi r^3} \left(3(\mathbf{m}\cdot\hat{\mathbf{r}})\hat{\mathbf{r}}-\mathbf{m}\right) + \frac{2\mu_0}{3}\mathbf{m}\delta^3(\mathbf{r})

Method of Calibrating Helmholtz Coils 

Mathematical Modeling of the Magnetic Field of a Helmholtz Coil 

Terms: circular current (4,050), current loop (1,060,000),

Boolean: "current loop" AND "dipole moment" (1,170),

Terms: magnetic dipole moment (25,000), magnetic dipole moments (2,040), magnetic dipole force (55), magnetic moment (243,000), dipole-dipole force (446), dipole-dipole (84,000), field of magnetic dipole (23),

Terms: multipole moments (11,900), spherical multipole moments (169),