## Electrodynamics of Continuous Media |

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Page 76

Finally, let us consider which types of crystal symmetry allow the existence of

piezoelectricity; in other words, what are the restrictions imposed on the

(which is ...

Finally, let us consider which types of crystal symmetry allow the existence of

piezoelectricity; in other words, what are the restrictions imposed on the

**components**of the tensor yi ki by the symmetry conditions. In general, this tensor(which is ...

Page 77

The non-zero

sy. One of these can be made to vanish by a suitable choice of the x and y axes.

The class D3 has one axis of symmetry of the third order (the z-axis, say), and ...

The non-zero

**components**are yeav, Yz, we = Yv,zz, y2,zz = -yz,wy, yz, zz = -yw,sy. One of these can be made to vanish by a suitable choice of the x and y axes.

The class D3 has one axis of symmetry of the third order (the z-axis, say), and ...

Page 340

According to (83.6) the

wyikinisc = eitmgmini, or, since n is arbitrary, oyikisc = eikmgm. (83.9) which

gives the ...

According to (83.6) the

**components**of this vector are linear functions of the**components**of n, i.e. gi = giknk. (83.8) Substituting (83.8) in (83.6), we findwyikinisc = eitmgmini, or, since n is arbitrary, oyikisc = eikmgm. (83.9) which

gives the ...

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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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### Common terms and phrases

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