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

### From inside the book

Results 1-3 of 65

Page 125

At the second scattering event the initial electron k and the hole produced by the

first scattering are annihilated ( see Fig . 16 ) . Process 1 may be

amaz ' 17 – 7 71ex . - Ho + ia ) amm - m ' Om ' Oxl7 , in an obvious notation .

At the second scattering event the initial electron k and the hole produced by the

first scattering are annihilated ( see Fig . 16 ) . Process 1 may be

**written**al ' amamaz ' 17 – 7 71ex . - Ho + ia ) amm - m ' Om ' Oxl7 , in an obvious notation .

Page 132

Introducing the vector k ' = k ( r / r ) along the direction of observation r / r , we see

that the second term of ( 10 ) may be

r in the critical exponential ) , exp [ ikr ] . y ( r ) = exp [ ik . r ] - - exp [ - ik ' e ] V ...

Introducing the vector k ' = k ( r / r ) along the direction of observation r / r , we see

that the second term of ( 10 ) may be

**written**( after expanding r - p in powers of p /r in the critical exponential ) , exp [ ikr ] . y ( r ) = exp [ ik . r ] - - exp [ - ik ' e ] V ...

Page 233

... Suppose the external local magnetic field is applied at the l - th lattice point .

The Hamiltonian of this perturbation is

the unperturbed Hamiltonian for the alloy by Ho , the Green function is

...

... Suppose the external local magnetic field is applied at the l - th lattice point .

The Hamiltonian of this perturbation is

**written**as H ' = kB hulnya - nyl ) . Denotingthe unperturbed Hamiltonian for the alloy by Ho , the Green function is

**written**as...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### 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 | |

25 other sections not shown

### Other editions - View all

### 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