atl_maxwell_type Derived Type

type, public :: atl_maxwell_type

Datatype for Maxwell equations.

This datatype describes the time dependent Maxwell equations of the following form (where $\rho$ is the spatial charge density and $J$ is the free current (not including bound current) density ):

(Electric) discplacement field: $$\partial_t D = \nabla \times \frac{B}{\mu} - J$$

Magnetic field: $\partial_t B = - \nabla \times \frac{D}{\epsilon}$

Nonexistence of magnetic monopoles: $\nabla \cdot B = 0$

Sources of electric field: $\nabla \cdot D = \rho$

The magnetic permeability $\mu$ and the electric $\epsilon$ permitivity are assumed constant or variable. D is the (electric) displacement field vector and B is the magnetic field vector (also called magnetic induction).