## Introduction to Solid State Physics |

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Page 131

It is reasonable to suppose that only those lattice modes having has < kT will be

excited to any appreciable extent at a low temperature T and, further, the

excitation of these modes will be

defined as ...

It is reasonable to suppose that only those lattice modes having has < kT will be

excited to any appreciable extent at a low temperature T and, further, the

excitation of these modes will be

**approximately**classical—that is, each modedefined as ...

Page 141

We can understand this dependence in terms of the number of phonons with

which a given phonon can interact: at high temperature the excitation of phonons

is proportional to T. At low temperatures Peierls finds A

proportional ...

We can understand this dependence in terms of the number of phonons with

which a given phonon can interact: at high temperature the excitation of phonons

is proportional to T. At low temperatures Peierls finds A

**approximately**proportional ...

Page 419

is reduced (because of the reduced spatial extension of the field) to

subdivision process continues until the energy required to establish an additional

boundary ...

is reduced (because of the reduced spatial extension of the field) to

**approximately**1/N of the magnetic energy of the saturated configuration (a). Thesubdivision process continues until the energy required to establish an additional

boundary ...

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absorption acceptors alkali alloys approximately atoms axis barium titanate boundary Bragg Brillouin zone calculated chapter charge conduction band conduction electrons crystal structure cube cubic Curie point Debye density dielectric constant diffraction diffusion dipole direction discussion dislocation distribution domain effective mass elastic electric field energy equation equilibrium exciton experimental F centers factor Fermi ferroelectric ferromagnetic free electron frequency germanium given heat capacity hexagonal holes impurity interaction ionization ions lattice constant lattice point low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed p-n junction paramagnetic particles phonons Phys physics plane polarizability polarization positive potential Proc region resonance result room temperature rotation semiconductor Shockley shown in Fig sodium chloride solid solution space group specimen spin superconducting surface susceptibility symmetry Table theory thermal tion transition unit volume vacancies valence band values vector velocity wave functions wavelength zero