## Introduction to solid state physics |

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Page 160

PHONON MOMENTUM J A phonon of

and fields as if it had a momentum hK. A phonon on a lattice does not really have

momentum we show in Problem 5 that only the K = 0 phonon carries physical ...

PHONON MOMENTUM J A phonon of

**wavevector**K interacts with other particlesand fields as if it had a momentum hK. A phonon on a lattice does not really have

momentum we show in Problem 5 that only the K = 0 phonon carries physical ...

Page 328

The total

result follows from the geometrical symmetry of the Brillouin zone: every

fundamental lattice type (Chapter 1) has symmetry under the inversion operation

r -» — r ...

The total

**wavevector**of the electrons in a filled band is zero: 2k = 0 . (9) Thisresult follows from the geometrical symmetry of the Brillouin zone: every

fundamental lattice type (Chapter 1) has symmetry under the inversion operation

r -» — r ...

Page 329

Figure 12 Absorption of a photon of energy n<o and negligible

an electron from £ in the filled valence band to Q in the conduction band. If k, was

the

Figure 12 Absorption of a photon of energy n<o and negligible

**wavevector**takesan electron from £ in the filled valence band to Q in the conduction band. If k, was

the

**wavevector**of the electron at E, it becomes the**wavevector**of the electron at ...### What people are saying - Write a review

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### Contents

CRYSTAL STRUCTURE | 1 |

CRYSTAL DIFFRACTION AND THE RECIPROCAL LATTICE | 43 |

CRYSTAL BINDING | 95 |

Copyright | |

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### Common terms and phrases

absolute zero absorption alkali alloy antiferromagnet applied field applied magnetic field atoms axis boundary Brillouin zone calculated Chapter charge components conduction band conduction electrons critical field crystal structure cubic defined density dielectric constant diffraction dipole direction dislocation dispersion relation elastic electric field electron gas energy gap entropy equation equilibrium excited exciton experimental F center Fermi surface ferroelectric ferromagnetic Figure free electron frequency function given heat capacity hole impurity interaction ionic ions lattice constant lattice points low temperatures magnetic field magnon Meissner effect metal momentum motion nearest neighbors neutron normal nuclear nucleus optical orbital paramagnetic particle phase phonon Phys physics plane polarizability polarization positive potential primitive cell quantum reciprocal lattice vector region resonance result room temperature scattering semiconductor shown in Fig solid specimen sphere spin superconducting susceptibility theory thermal tion transition temperature unit vacancies valence band velocity wave wavefunction wavelength wavevector x-ray