Course of theoretical physics: Electrodynemics of continuous media |
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Page 51
Electrostriction of isotropic dielectrics For a solid dielectric in an electric field the
concept of pressure cannot be defined as for an isotropic body in the absence of
a field, because the forces acting on a dielectric (which we shall determine in ...
Electrostriction of isotropic dielectrics For a solid dielectric in an electric field the
concept of pressure cannot be defined as for an isotropic body in the absence of
a field, because the forces acting on a dielectric (which we shall determine in ...
Page 66
medium surrounding the body. Let us suppose that this medium is in mechanical
and thermal equilibrium. Then the calculation is further simplified if we use the
condition of equilibrium (15.18). From this condition, part of the stress tensor (
15.9) ...
medium surrounding the body. Let us suppose that this medium is in mechanical
and thermal equilibrium. Then the calculation is further simplified if we use the
condition of equilibrium (15.18). From this condition, part of the stress tensor (
15.9) ...
Page 106
Since pv E 0 outside the body, the integral can be taken over any volume which
includes the body. We transform the integral as follows: j'rXcurlMdV= —§rX(MXdf'
)—_l(MXgrad)Xrdl*. The integral over the surface outside the body is zero. ln the
...
Since pv E 0 outside the body, the integral can be taken over any volume which
includes the body. We transform the integral as follows: j'rXcurlMdV= —§rX(MXdf'
)—_l(MXgrad)Xrdl*. The integral over the surface outside the body is zero. ln the
...
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angle anisotropy anisotropy energy antiferromagnetic atoms axes axis body boundary conditions calculation charge circuit coefficient coefficients components conductor constant coordinates corresponding cross-section crystal Curie point curl H defined definition denote dependence derivatives determined dielectric diffraction direction discontinuity dissipation domains electric field electromagnetic field electrons ellipsoid energy flux expression external field external magnetic field ferroelectric ferromagnet field H find finite first first term flow fluctuations fluid formula free energy frequency function given gives grad Hence incident induction infinite integral isotropic Landau theory layer linear magnetic field magnetohydrodynamics magnetostriction magnitude medium normal obtain optical particle permittivity perpendicular perturbation phase plane polarization PROBLEM propagated properties pyroelectric quantities reflection refraction relation respect result rotation satisfied scattering shock wave significance solution sphere superconducting surface symmetry tangential temperature tensor theory thermodynamic potential transition uniaxial upper half-plane values variable velocity volume wave vector z-axis zero