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

### From inside the book

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 |

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