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

### From inside the book

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Page 144

... Ex + 3 ] _ ' Ea( * ) To be allowed to use the representation ( 27 ) on the energy

shell we must make one important assumption , which however , is justified in

practice : When k ” = ' ? , It follows from

SUHL.

... Ex + 3 ] _ ' Ea( * ) To be allowed to use the representation ( 27 ) on the energy

shell we must make one important assumption , which however , is justified in

practice : When k ” = ' ? , It follows from

**rotational**symmetry , that < k ' 144 H .SUHL.

Page 163

( z ) on this basis , we first state its dependence on the different variables more

precisely . Equations ( 47 ) and ( 47a ) need not be restricted to the energy shell

Ex = Ex ' , even though they were derived on the shell . From

it ...

( z ) on this basis , we first state its dependence on the different variables more

precisely . Equations ( 47 ) and ( 47a ) need not be restricted to the energy shell

Ex = Ex ' , even though they were derived on the shell . From

**rotational**invarianceit ...

Page 164

Because of

variables in T as follows : T = t + 4T8•8 , i . e . , ( 54 ) Tw ' s " ( z ) = thr ( z ) 800 Os '

s + 47x2 ( 2 ) Sg ' 8 . 800 , where on the right - hand side k and k ' denote the

momenta ...

Because of

**rotational**invariance , we can segregate the spin and orbitalvariables in T as follows : T = t + 4T8•8 , i . e . , ( 54 ) Tw ' s " ( z ) = thr ( z ) 800 Os '

s + 47x2 ( 2 ) Sg ' 8 . 800 , where on the right - hand side k and k ' denote the

momenta ...

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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