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

### From inside the book

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Page 92

HERRING has argued strongly [ 1 ] that

effective than in the free atom , essentially because the s - electron density is in a

sense larger in this case . He observes that more than half of the

charge in ...

HERRING has argued strongly [ 1 ] that

**screening**in the metal is even moreeffective than in the free atom , essentially because the s - electron density is in a

sense larger in this case . He observes that more than half of the

**screening**charge in ...

Page 303

Finally the general form of the

shows that bands with small densities of states and small effective masses , such

as the s - band , contribute little to the screeming . We are therefore fully justified ...

Finally the general form of the

**screening**charges , both at short and long range ,shows that bands with small densities of states and small effective masses , such

as the s - band , contribute little to the screeming . We are therefore fully justified ...

Page 304

The case of Fe base alloys is much more complex : being a weak ferromagnet ,

we have to consider both the long range oscillations of the

to the nearly full spin - up half d - band , and the complex oscillations of probably

...

The case of Fe base alloys is much more complex : being a weak ferromagnet ,

we have to consider both the long range oscillations of the

**screening**charge dueto the nearly full spin - up half d - band , and the complex oscillations of probably

...

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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