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

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Page 33

This efrepulsive fect can be described by an off - diagonal 2V ( AI ) orthogonality

splitting

d , mx = 0 ) H \ k ) - second - order - hybridization between the OPW basis state ...

This efrepulsive fect can be described by an off - diagonal 2V ( AI ) orthogonality

splitting

**matrix element**, direct 2V ( Cu ) hybridization , splitting ( 3 . 1 ) g ( k ) = <d , mx = 0 ) H \ k ) - second - order - hybridization between the OPW basis state ...

Page 279

... nature of the effective coupling was demonstrated by SCHRIEFFER and

WOLFF by a canonical transformation ; it may be seen in rather a direct way [ 47 ]

by looking at

( 3 .

... nature of the effective coupling was demonstrated by SCHRIEFFER and

WOLFF by a canonical transformation ; it may be seen in rather a direct way [ 47 ]

by looking at

**matrix elements**of terms in the expansion of the resolvent operator ,( 3 .

Page 361

For the orbital interaction two points need mentioning : 1 ) The

l vanish within the l ' z representation and 2 ) the

states of the same o but there is one for each value of o = £1 . There results ( 3 .

For the orbital interaction two points need mentioning : 1 ) The

**matrix elements**ofl vanish within the l ' z representation and 2 ) the

**matrix elements**of I connectstates of the same o but there is one for each value of o = £1 . There results ( 3 .

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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