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

### From inside the book

Results 1-3 of 47

Page 206

In dilute alloys a fairly clear concept

and theoretically as to the localized moments associated with impurity atoms [ 1 ]

, although there is a serious problem left at extremely low temperatures ( * ) .

In dilute alloys a fairly clear concept

**seems**to be established both experimentallyand theoretically as to the localized moments associated with impurity atoms [ 1 ]

, although there is a serious problem left at extremely low temperatures ( * ) .

Page 208

For the other 3d impurities , Co , Fe , Mn , Cr , etc . , the Hartree - Fock

approximation still

practice . Since these atoms have more than one electron the exchange

interactions between ...

For the other 3d impurities , Co , Fe , Mn , Cr , etc . , the Hartree - Fock

approximation still

**seems**to be the only reasonable approximation , at least inpractice . Since these atoms have more than one electron the exchange

interactions between ...

Page 252

In noble metal alloys the Anderson model with Lorentzian virtual impurity states

described reasonably by using either the Wolff - Clogston tight - binding model or

the ...

In noble metal alloys the Anderson model with Lorentzian virtual impurity states

**seems**to be fairly reasonable . ... and the localized moments**seem**to bedescribed reasonably by using either the Wolff - Clogston tight - binding model or

the ...

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### 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 | |

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### 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