## 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 23

3 ) can be expressed in terms of integrals over

centered on two , three , or ( if exchange is included ) four atomic sites . As we

shall see , in practice two - center terms associated with nearest neighbors

separated ...

3 ) can be expressed in terms of integrals over

**wave functions**and potentialscentered on two , three , or ( if exchange is included ) four atomic sites . As we

shall see , in practice two - center terms associated with nearest neighbors

separated ...

Page 88

The second effect concerns unlike spins which stay apart from each other

because their

potential . Parallel spinsare similarly affected but , because of the exclusion hole

...

The second effect concerns unlike spins which stay apart from each other

because their

**wave functions**correlate to avoid the electron - electron Coulombpotential . Parallel spinsare similarly affected but , because of the exclusion hole

...

Page 95

He used projection operators P = aa which will pick out that part of the

He used projection operators P = aa which will pick out that part of the

**wave****function**having an electron on site i . By using these , one can write any**wave****function**in terms of configurations of localized state functions . These may be ...### What people are saying - Write a review

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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