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

### From inside the book

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Page 54

First , we will have a rather long introductory discussion of the

problem , deriving the Friedel formula and showing its relationship to various

other ways of treating the resonance problem . In the next Section we will present

...

First , we will have a rather long introductory discussion of the

**single**- scatteringproblem , deriving the Friedel formula and showing its relationship to various

other ways of treating the resonance problem . In the next Section we will present

...

Page 117

WOLFF considered the electron to be scattered in : 1 ) the bare potential field of

the impurity , 2 ) the Hartree potential , which , however , is combined with the first

in a

WOLFF considered the electron to be scattered in : 1 ) the bare potential field of

the impurity , 2 ) the Hartree potential , which , however , is combined with the first

in a

**single**self - consistent potential , 3 ) the Fock potential which acts only ...Page 279

3 ) H , = E a 4a + Zeaan + Un anal The point is that H , may be diagonalized

directly in terms of a zero , singly and doubly occupied d - states , with energies

Ed , ( 2E2 + U ) for the

respectively .

3 ) H , = E a 4a + Zeaan + Un anal The point is that H , may be diagonalized

directly in terms of a zero , singly and doubly occupied d - states , with energies

Ed , ( 2E2 + U ) for the

**single**occupied and doubly occupied singlet staterespectively .

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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