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

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Results 1-3 of 87

Page 111

ii ) In the ferromagnetic state , the energy to turn over a few spins is

; 8 ; ( i , j nearest neighbours ) where the value of J is

required by experiments on spin waves . Physically the effect arises very simply ;

as ...

ii ) In the ferromagnetic state , the energy to turn over a few spins is

**given**by J E8; 8 ; ( i , j nearest neighbours ) where the value of J is

**given**by 0 . 01 eV asrequired by experiments on spin waves . Physically the effect arises very simply ;

as ...

Page 249

E n°1 / 2 . mo The self - consistent solutions for this problem may be classified

into the following two categories : i ) There is only one solution for a

metal , a

this ...

E n°1 / 2 . mo The self - consistent solutions for this problem may be classified

into the following two categories : i ) There is only one solution for a

**given**hostmetal , a

**given**value of E , and a**given**value of the exchange parameter U . Inthis ...

Page 433

7 for a

minimum there is a value of Q , Q . , which is indicated in Fig . 7 for various ê . As

increases from zero , g , increases from zero and Q , decreases from 2kp . This

may be ...

7 for a

**given**2 is its minimum possible value , 9p . Corresponding to thatminimum there is a value of Q , Q . , which is indicated in Fig . 7 for various ê . As

increases from zero , g , increases from zero and Q , decreases from 2kp . This

may be ...

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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