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

### From inside the book

Results 1-3 of 72

Page 406

Nevertheless , this far more general quasi -

incorrect T term because it , too , contains only statistically averaged interactions .

However , MARSHALL [ 16 ] has used phenomenological arguments to develop

a ...

Nevertheless , this far more general quasi -

**particle**theory would still yield theincorrect T term because it , too , contains only statistically averaged interactions .

However , MARSHALL [ 16 ] has used phenomenological arguments to develop

a ...

Page 408

pendent -

eigenfunctions Om ( t ) at all times , including those times t < T , for which H ( t )

becomes identical to H . Upon neglect of degeneracy , then , the exact states of

the ...

pendent -

**particle**states Yos ( { n } ) become identical to the instantaneouseigenfunctions Om ( t ) at all times , including those times t < T , for which H ( t )

becomes identical to H . Upon neglect of degeneracy , then , the exact states of

the ...

Page 411

three , four and higher quasi -

interactions in full dynamical form . We can proceed now in two different

directions from ( 22 ) . The first is towards a simpler , fully dynamical quasi -

three , four and higher quasi -

**particle**interactions as well as two quasi -**particle**interactions in full dynamical form . We can proceed now in two different

directions from ( 22 ) . The first is towards a simpler , fully dynamical quasi -

**particle**...### 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 | |

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