## Physica Fennica: Collected Reprints, Volume 8 |

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### Contents

Mathematical physios | 7 |

Vltli International Summer School in Theoretical Physics Topios in the Physics of Condensed | 123 |

Electromagnetlsm and optics | 214 |

2 other sections not shown

### Common terms and phrases

alloy alpha matter amplitude angular approximation assumed atoms average band structure behaviour calculation coefficients consider core corresponding crystal curves decay density detuning discussed disordered systems effective mass eigenstates electron equation excitation experimental Fermi energy Fermi surface ferromagnetic finite Finland fluctuations frequency given Green's function GSWF Hamiltonian Hartree-Fock helium Helsinki Hubbard model impurities integral intensities interaction interface isotopes laser lattice lectures Lett levels limit localized magnetic matrix element measured mode separation momentum nuclear observed obtained oscillating parameters particle perturbation theory phonons Phys Physica Fennica Physics plane waves polarization potential properties pseudopotential quantum quasiparticle reflexions region relative phase rotating scattering self-consistent solid solidification solute spectra spin superfluid SVBC symmetric temperature theoretical tight binding tight binding model transition metals University of Helsinki vector velocity vibrations wave function wavefunctions width Wigner-Seitz cell y-rays zero