Introduction to Solid State Physics |
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Page 335
... wavefunction uo ( r ) of metallic sodium , after Wigner and Seitz . The unit of length is 0.529 × 10-8 cm . ( b ) Schematic wavefunction in sodium for a finite value of k . It is usually much easier to find a good solution at k = 0 than ...
... wavefunction uo ( r ) of metallic sodium , after Wigner and Seitz . The unit of length is 0.529 × 10-8 cm . ( b ) Schematic wavefunction in sodium for a finite value of k . It is usually much easier to find a good solution at k = 0 than ...
Page 336
... wave- function : in the free atom the boundary condition on the wavefunction is ↓ ( r ) → 0 as r → ∞ , with no discontinuities allowed in dy / dr . In the periodic crystal no discontinuities are allowed either : but the k = 0 ...
... wave- function : in the free atom the boundary condition on the wavefunction is ↓ ( r ) → 0 as r → ∞ , with no discontinuities allowed in dy / dr . In the periodic crystal no discontinuities are allowed either : but the k = 0 ...
Page 337
... wavefunction is called the Wigner - Seitz boundary condition . The condition has a substantial effect on the wavefunction : it allows the ground orbital wavefunction to have much less curvature than the free atom boundary condition ...
... wavefunction is called the Wigner - Seitz boundary condition . The condition has a substantial effect on the wavefunction : it allows the ground orbital wavefunction to have much less curvature than the free atom boundary condition ...
Contents
CRYSTAL STRUCTURE | 1 |
CRYSTAL DIFFRACTION AND THE RECIPROCAL LATTICE | 43 |
CRYSTAL BINDING | 95 |
Copyright | |
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absolute zero absorption alkali halide alloy antiferromagnet applied field atoms axis boundary Brillouin zone calculated Chapter charge components conduction band conduction electrons crystal structure cubic density dielectric constant dielectric function diffraction dipole direction dislocation dispersion relation effective mass elastic electric field electron concentration electron gas energy gap equation equilibrium excited exciton experimental F center Fermi surface ferroelectric ferromagnetic Figure free electron frequency function given heat capacity hole impurity interaction ionic lattice constant lattice points low temperatures magnetic field magnetic moment magnon metal modes momentum motion nearest neighbors neutron normal nuclear optical orbital paramagnetic particle phase phonon Phys plane polarization positive potential primitive cell quantum reciprocal lattice vector region resonance result room temperature scattering semiconductor shown in Fig space specimen sphere superconducting theory thermal tion transition unit vacancy valence band velocity wavefunction wavelength wavevector x-ray