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

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Page 34

2 ) are unusually complex ; because of the factor ( E8mm - Hmm ) they are not

even equivalent to a non - local potential in the usual sense . ( They would be

equivalent if E were

2 ) are unusually complex ; because of the factor ( E8mm - Hmm ) they are not

even equivalent to a non - local potential in the usual sense . ( They would be

equivalent if E were

**replaced**by Ē , a static approximation , and Hmm were**replaced**...Page 35

When we add the terms Hmm , to our model Hamiltonian , two things happen .

First the d bands are no longer flat , so that the 0 in ( 3 . 6 ) is

constant — S arising from the transfer terms . Secondly the orthogonality terms in

( 3 .

When we add the terms Hmm , to our model Hamiltonian , two things happen .

First the d bands are no longer flat , so that the 0 in ( 3 . 6 ) is

**replaced**by aconstant — S arising from the transfer terms . Secondly the orthogonality terms in

( 3 .

Page 124

Two possible sequences of events are seen to contribute to the second term of (

3b ) : 1 ) The electron k gets

other electron is in turn vo b ) Fig . 1 .

Two possible sequences of events are seen to contribute to the second term of (

3b ) : 1 ) The electron k gets

**replaced**by another at the first scattering event , thisother electron is in turn vo b ) Fig . 1 .

**replaced**by the electron k ' at the second ...### 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 | |

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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