Solid State Physics

alkali metals alloys approximation atomic orbitals behavior Bloch boundary conditions Brillouin zone calculation carrier concentration cellular method coefficients cohesive energy conduction band conduction electrons configuration constant correlation energy corresponding Coulomb crystal orbital cubic lattice curve d band density derived determined discussed disordered effective mass eigenvalues electron gas electron interaction energy band energy gap energy levels exchange energy experimental expression extrapolation Fermi ferromagnetism free atom free electron frequency germanium given Hamiltonian Hartree Hence impurity integral ion core Lark-Horovitz long-range order neighbors observed obtained one-electron order-disorder transition orthogonal p-type parameter phonon Phys Physik plane waves plasma oscillations potential problem Proc quantum defect samples scattering Schrödinger equation Seitz short-range silicon Slater solid solution specific heat spherical spin symmetry temperature theoretical theory tion unit cell valence band valence electron values variation vector wave function Wigner zero