## Electrodynamics of Continuous Media |

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Page 82

Since 6F|8p = {, 8F/6D = E|4m, the first of these

the second can be rewritten as a Jacobian: 6(öF/6D, 3F/6p.) - 18 (E.9, 0 6(D, p) 4t

6(D, p) Changing from the variables D, p to D, C, we have 6(E, ) — (B, ) (Do). (.

Since 6F|8p = {, 8F/6D = E|4m, the first of these

**gives**(6%/6p)d, T ~ 0, (18.7) andthe second can be rewritten as a Jacobian: 6(öF/6D, 3F/6p.) - 18 (E.9, 0 6(D, p) 4t

6(D, p) Changing from the variables D, p to D, C, we have 6(E, ) — (B, ) (Do). (.

Page 115

(27.13) may be called the surface current density; it

unit time across unit length of a line in the surface. We take the direction of g at a

given point on the surface as the y-axis, and the direction of the normal from ...

(27.13) may be called the surface current density; it

**gives**the charge passing perunit time across unit length of a line in the surface. We take the direction of g at a

given point on the surface as the y-axis, and the direction of the normal from ...

Page 266

For a field of a single frequency, (2)

1 F - - s —e-toot - (t) 27 J e(w) dw -oo To estimate this integral for large t, we

displace the path of integration into the lower halfplane of wo, where the

integrand ...

For a field of a single frequency, (2)

**gives**1 e(w) F(x)etor dx, i or, conversely, oo 11 F - - s —e-toot - (t) 27 J e(w) dw -oo To estimate this integral for large t, we

displace the path of integration into the lower halfplane of wo, where the

integrand ...

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### Contents

Methods of solving problems in electrostatics | 9 |

A conducting ellipsoid | 20 |

The forces on a conductor | 31 |

Copyright | |

54 other sections not shown

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angle anisotropy atoms averaging axes axis body boundary condition calculated charge circuit co-ordinates coefficient components conducting conductor constant corresponding cross-section crystal Curie point curl H current density cylinder denote depends derivative determined dielectric permeability difference differentiating diffraction dipole direction discontinuity distance effect electric field electromagnetic electrons electrostatic ellipsoid entropy equation div expression external field ferroelectric ferromagnetic fluid flux force formula free energy frequency function given gives grad Hence induction integral isotropic Laplace's equation layer Let us consider linear macroscopic magnetic field magnetic moment magnetisation magnitude Maxwell's equations medium metal normal obtain optical particle perpendicular phase piezoelectric plane polarisation PROBLEM propagation properties pyroelectric quantities radius refraction relation respect result rotation scalar scattering self-inductance ſº solution sphere suffixes superconducting surface symmetry tangential temperature theory thermodynamic potential tion uniform unit volume values variable velocity wave vector wire z-axis zero