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

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Page 87

Theory of

Research Establishment , Theoretical Physics Division - Harwell , Didcot Berks .

1 . - Introduction . My concern in this group of lectures is with the microscopic

properties ...

Theory of

**Correlations**in Transition Metals . J . L . BEEBY Atomic EnergyResearch Establishment , Theoretical Physics Division - Harwell , Didcot Berks .

1 . - Introduction . My concern in this group of lectures is with the microscopic

properties ...

Page 88

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

because their wave functions

the Coulomb energy of unlike spins , usually acts against this ferromagnetic

tendency .

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

because their wave functions

**correlate**to ... The**correlation**effect , by reducingthe Coulomb energy of unlike spins , usually acts against this ferromagnetic

tendency .

Page 95

Thus the polarity of the

F state , and there thus remain a fair number of 3d8 ... A vaguely similar type of

approach has been used by GUTZWILLER [ 7 ] for the strong

Thus the polarity of the

**correlated**state is reduced by 12 ~ 0 ( 4 ) of that of the H -F state , and there thus remain a fair number of 3d8 ... A vaguely similar type of

approach has been used by GUTZWILLER [ 7 ] for the strong

**correlation**case .### What people are saying - Write a review

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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