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

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Page 251

Of course these

sound approach may be to extend the spin wave theory . The above

interpretation , therefore , is only of qualitative meaning . Presence or absence of

the localized ...

Of course these

**modes**should not be normal**modes**of excitations and a moresound approach may be to extend the spin wave theory . The above

interpretation , therefore , is only of qualitative meaning . Presence or absence of

the localized ...

Page 332

One would there find spin wave

, where F ( q ) is the transform of the RKY interaction Fnn . The important new

thing about [ 40 ] is that the effective RKY interaction in the denominator is now ...

One would there find spin wave

**modes**with frequencies ( 41 ) 0 , = F ( 0 ) - F ( Q ), where F ( q ) is the transform of the RKY interaction Fnn . The important new

thing about [ 40 ] is that the effective RKY interaction in the denominator is now ...

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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