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

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Page 251

... interaction all over the crystal . The

and therefore the

effective band width narrower , favoring the existence of the localized moments .

... interaction all over the crystal . The

**random**orientation of the atomic momentsand therefore the

**random**distribution of the exchange potential would make theeffective band width narrower , favoring the existence of the localized moments .

Page 332

Those then couple to the motion of the iron atoms to produce a coupled set of

spin waves . The equations of motion are decoupled in the

approximation , and averaged over the Fe

in the ...

Those then couple to the motion of the iron atoms to produce a coupled set of

spin waves . The equations of motion are decoupled in the

**random**phaseapproximation , and averaged over the Fe

**random**positions at appropriate pointsin the ...

Page 375

Clearly some of the Co atoms remain unmagnetized in the

other do not . The resonance experiments sense the unmagnetized atoms , and

the x experiments their magnetic counterparts . How shall we interpret this ?

Clearly some of the Co atoms remain unmagnetized in the

**random**alloy whileother do not . The resonance experiments sense the unmagnetized atoms , and

the x experiments their magnetic counterparts . How shall we interpret this ?

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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