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

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Results 1-3 of 55

Page 177

17 | 2 then

because of the 1t | 2 / ( 2 — x ) - integral in ( 72a ) When substituted in ( 726 ) , t

has the effect of inhibiting the growth of t by reducing the residue at the complex ...

17 | 2 then

**becomes**large near x = 0 , so t**becomes**important , even if V = 0 ,because of the 1t | 2 / ( 2 — x ) - integral in ( 72a ) When substituted in ( 726 ) , t

has the effect of inhibiting the growth of t by reducing the residue at the complex ...

Page 268

The small parts of the sphere above the top and bottom faces are nearly flat , so

that energy only depends on wave vectors normal to these surfaces , i . e . the

RKY sum

The small parts of the sphere above the top and bottom faces are nearly flat , so

that energy only depends on wave vectors normal to these surfaces , i . e . the

RKY sum

**becomes**pseudoone - dimensional , trying to lead to an infinity in Xo .Page 408

pendent - particle states Yos ( { n } )

eigenfunctions Om ( t ) at all times , including those times t < T , for which H ( t )

the ...

pendent - particle states Yos ( { n } )

**become**identical to the instantaneouseigenfunctions Om ( t ) at all times , including those times t < T , for which H ( t )

**becomes**identical to H . Upon neglect of degeneracy , then , the exact states ofthe ...

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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 | |

25 other sections not shown

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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