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

### From inside the book

Results 1-3 of 89

Page 5

The treatment of exchange terms , however , cannot be embarked upon except in

a semi - empirical fashion at the present time , though formal treatments of

correlation in the crystal

from ...

The treatment of exchange terms , however , cannot be embarked upon except in

a semi - empirical fashion at the present time , though formal treatments of

correlation in the crystal

**potential**are making some progress , as you will hearfrom ...

Page 24

Ea + Vì , where V , represents some average of the crystal

of interatomic overlap [ 6 , 7 ] . ... the attractive effect of overlapping

counterbalanced by the nonorthogonality terms Smm . According to ( 1 . 7 ) these

...

Ea + Vì , where V , represents some average of the crystal

**potential**in the regionof interatomic overlap [ 6 , 7 ] . ... the attractive effect of overlapping

**potentials**iscounterbalanced by the nonorthogonality terms Smm . According to ( 1 . 7 ) these

...

Page 117

The latter author investigated what happened when an impurity is introduced into

a free electron gas in a lattice as a mere

Coulomb interaction among the electrons on or near the site in question . WOLFF

...

The latter author investigated what happened when an impurity is introduced into

a free electron gas in a lattice as a mere

**potential**, but in the presence ofCoulomb interaction among the electrons on or near the site in question . WOLFF

...

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### Contents

LOMER Band theory and magnetism | 1 |

PHILLIPS Band theory of transition metals | 22 |

JACCARINO Studies of the hyperfine interaction in transi | 39 |

Copyright | |

19 other sections not shown

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### Common terms and phrases

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