Retrieving "Electric Displacement" from the archives

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1. Electrodynamics

   Linked via "electric displacement"

   Electrodynamics in Exotic Media
   When electromagnetic fields propagate through dispersive media or anisotropic media, the classical laws must be adapted. The introduction of the polarization vector ($\mathbf{P}$) and the magnetization vector ($\mathbf{M}$) allows Maxwell's equations to be rewritten in terms of the auxiliary fields $\mathbf{D}$ ([electric displacement](/entries/electric-displaceme…

2. Piezoelectric Property

   Linked via "electric displacement"

   Governing Equations
   The constitutive relations describing the coupled electromechanical behavior are defined using stress ($\sigma$), strain ($\epsilon$), electric field ($E$), and electric displacement ($D$). Depending on which variables are held constant (stress/strain or electric field/displacement), two primary forms are used:
   Stress-Charge Form (Direct Effect): Expressing $D$ as a function of $\epsi…