## Proceedings of the International School of Physics "Enrico Fermi.", Volume 37N. Zanichelli, 1967 - Nuclear physics |

### From inside the book

Results 1-3 of 53

Page 2

The

The

**symmetry**of the lattice is fully repeated in the terms EV , ( R , - r ; ) and E ' ( ea / rii ) Q ;, so that the Bloch theorem can be proved and the wave functions 73 3 Yi are always of the form Yi ( r ) = uk ( r ) exp [ i kór ] ...Page 8

When k is represented by a point of high

When k is represented by a point of high

**symmetry**, the corresponding one - electron wave function can be classified according to their**symmetry**with respect to the operations that leave k unchanged . For example suppose k lies as ...Page 408

It is possible that the ground states of different families cross , but H has no matrix elements between them because H ( t ) preserves the

It is possible that the ground states of different families cross , but H has no matrix elements between them because H ( t ) preserves the

**symmetry**properties on which the classification into families is based .### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

LOMER Band theory and magnetism | 1 |

JACCARINO Studies of the hyperfine interaction in transi | 39 |

P W ANDERSON and W L MCMILLAN Multiplescattering | 50 |

Copyright | |

25 other sections not shown

### Other editions - View all

### Common terms and phrases

alloys amplitude analytic Anderson approximation assume average band becomes Born bound calculation complex computed condition conduction consider contribution correct correlation corresponding coupling curve defined density depends determined discussed effect electrons energy equation exchange expected expression fact factor Fermi Fermi level ferromagnetic field function given gives Hamiltonian host metal impurity atom included integral interaction interesting lattice limit localized magnetic matrix element means metals method moments momentum normal obtained occur operator orbital particle perturbation Phys physical plane polarization poles positive possible potential present problem properties range relation replaced represent resonance scattering screening Sect seems shift shown similar simple solution spin structure surface temperature theory tion transition metals usual wave wave functions write written zero