## Physical Properties of Crystals |

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Page 12

to p! and q; when the axes are changed, so we may say that the nine coefficients

To transform to the nine coefficients Tg. We have proved that the relation

between them, the

most ...

to p! and q; when the axes are changed, so we may say that the nine coefficients

To transform to the nine coefficients Tg. We have proved that the relation

between them, the

**transformation law**for second-rank tensors, is (22). This is amost ...

Page 13

These

3), they form the basis of an exact definition of a tensor. The resemblance

between them is the reason for regarding scalars and Vectors as tensOrs. TABLE

2 ...

These

**transformation laws**are of fundamental importance and, as we shall see (§3), they form the basis of an exact definition of a tensor. The resemblance

between them is the reason for regarding scalars and Vectors as tensOrs. TABLE

2 ...

Page 270

(13) Thus, if equation (7) is to retain its form for all possible choices of axes, the

go must transform according to the law (13). It will be seen that (13) is identical

with the

Physical ...

(13) Thus, if equation (7) is to retain its form for all possible choices of axes, the

go must transform according to the law (13). It will be seen that (13) is identical

with the

**transformation law**of a second-rank tensor, except for the + signs.Physical ...

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### Contents

THE GROUND WORK OF CRYSTAL PHYSICS | 3 |

Summary | 29 |

EQUILIBRIUM PROPERTIES | 45 |

47 other sections not shown

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### Common terms and phrases

angle anisotropic applied biaxial birefringence centre of symmetry Chapter conductivity constant crystal classes crystal properties crystal symmetry cube cubic crystals defined denoted diad axis dielectric direction cosines displacement elastic compliances electric field electro-optical electro-optical effect ellipsoid equal equation example expression follows forces given gives grad heat flow Hence indicatrix isothermal isotropic magnetic magnitude matrix notation measured moduli Mohr circle monoclinic number of independent Onsager's Principle optic axis optical activity orientation parallel permittivity perpendicular photoelastic effect piezoelectric effect plane plate polarization positive principal axes produced pyroelectric effect quadric radius vector referred refractive index relation representation quadric represents right-handed rotation scalar second-rank tensor shear shown shows strain stress symmetry elements Table temperature gradient thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law trigonal uniaxial unit volume values wave normal wave surface written zero