## 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 111

Physically the effect arises very simply ; as can be seen by

binding calculation . Take s - bands , then E ... downward by AE . But now

Hubbard ' s original truncation procedure is ambiguous , for

, < n ; ...

Physically the effect arises very simply ; as can be seen by

**considering**a tight -binding calculation . Take s - bands , then E ... downward by AE . But now

Hubbard ' s original truncation procedure is ambiguous , for

**consider**the term ET, < n ; ...

Page 252

Of course it is possible to

problem is how sensitive they are to the change in the surroundings , particularly

in the spin configurations . If the localized moment depends on the surroundings

...

Of course it is possible to

**consider**localized virtual states in these cases . Theproblem is how sensitive they are to the change in the surroundings , particularly

in the spin configurations . If the localized moment depends on the surroundings

...

Page 321

What we discuss is the properties of the extreme itinerant model with an eye to

sorting out differences from the localized model .

interacting limit . In this case one has for an electron gas with Hamiltonian * H = {

4 , 154 , + ...

What we discuss is the properties of the extreme itinerant model with an eye to

sorting out differences from the localized model .

**Consider**first the noninteracting limit . In this case one has for an electron gas with Hamiltonian * H = {

4 , 154 , + ...

### What people are saying - Write a review

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

### 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

### Other editions - View all

### 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