## Solid State PhysicsThe Drude Theory of Metals. The Sommerfeld Theory of Metals. Failures of the Free Electron Model. Crystal Lattices. The Reciprocal Lattice. Determination of Crystal Structures by X-Ray Diffraction. Classification of Bravais Lattices and Crystal Structures. Electron levels in a Periodic Potential: General Properties. Electrons in a Weak Periodic Potential.THe Tight-Binding Method. Other Methods for Calculating Band Structure. The Semiclassical Model of Electron Dynamics. The Semiclassical Theory of Conduction in Metals. Measuring the Fermi Surface. Band Structure of Selected Metals. Beyond the Relaxation. Time Approximation. Beyond the Independent Electron Approximation. Surface Effects. Classification of Solids. Cohesive Energy. Failures of the Static Lattice Model. Classical Theory of the Harmonic Crystal. Quantum Theory of the Harmonic Crystal. Measuring Phonon Dispersion Relations. Anharmonic Effects in Crystals. Phonons in Metals. Dielectric Properties of Insulators. Homogeneous Semiconductors. Inhomogeneous Semiconductors. Defects in Crystals. Diamagnetism and Paramagnetism. Electron Interactions and Magnetic Structure. Magnetic Ordering. Superconductivity. Appendices. |

### From inside the book

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Page 2

The challenge of accounting for these metallic features gave the starting impetus

to the modern

solids are nonmetallic , metals have continued to play a prominent role in the ...

The challenge of accounting for these metallic features gave the starting impetus

to the modern

**theory**of solids . Although the majority of commonly encounteredsolids are nonmetallic , metals have continued to play a prominent role in the ...

Page 62

It provides the basis for the entire analytic framework of the subject , and without it

comparatively little progress would have been made . If there is one reason why

the

It provides the basis for the entire analytic framework of the subject , and without it

comparatively little progress would have been made . If there is one reason why

the

**theory**of solids is so much more highly developed than the**theory**of liquids ...Page 744

5 , i . e . , with Von in the ranges " 0 . 1 & f to 0 . 5 & f . Note also that no matter

how weak the coupling Vo , the

temperature ( 34 . 17 ) may be unobservably low . Energy Gap A formula similar

to ...

5 , i . e . , with Von in the ranges " 0 . 1 & f to 0 . 5 & f . Note also that no matter

how weak the coupling Vo , the

**theory**predicts a transition , though the transitiontemperature ( 34 . 17 ) may be unobservably low . Energy Gap A formula similar

to ...

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### Contents

The Drude Theory of Metals | 1 |

Free electron densities and ra | 5 |

Thermal conductivities | 21 |

Copyright | |

43 other sections not shown

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### Common terms and phrases

additional applied approximation assume atomic band Bragg Bravais lattice calculation carrier cell centered Chapter charge classical close collisions compared condition conduction consider constant constructed containing contribution crystal cubic density dependence described determined direction discussion distance distribution effect electric field elements energy equation equilibrium example faces fact factor Fermi surface Figure follows free electron frequency given gives heat hexagonal holes important independent integral interaction ionic ions known lattice vector leads levels limit linear magnetic field mean measured metals method normal Note observed occupied orbits perpendicular phonon plane position possible potential primitive cell Problem properties reciprocal lattice reflection region relation requires result satisfy scattering semiclassical Show shown simple single solid solution space space groups specific sphere structure symmetry Table temperature term theory thermal unit vanishes volume wave functions wave vector zone