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

### From inside the book

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Page 2

The symmetry of the

/ rii ) Q ; , so that the Bloch theorem can be proved and the wave functions Vi are

always of the form Wi ( r ) = u ( r ) exp [ i kór ] , where ux ( r ) = uk ( r + a ) where a

...

The symmetry of the

**lattice**is fully repeated in the terms 2 V , ( R , - r ; ) and E ' ( e/ rii ) Q ; , so that the Bloch theorem can be proved and the wave functions Vi are

always of the form Wi ( r ) = u ( r ) exp [ i kór ] , where ux ( r ) = uk ( r + a ) where a

...

Page 10

In the b . c . c .

2a . Reciprocal

( see Fig . 8 ) are then : H = fourfold corner of zone la 219 P = threefold corner ...

In the b . c . c .

**lattice**, atoms occur at points a ( 111 ) , and the cubic cell has side2a . Reciprocal

**lattice**points occur at ( n / a ) ( 1 1 0 ) ; the points of high symmetry( see Fig . 8 ) are then : H = fourfold corner of zone la 219 P = threefold corner ...

Page 11

In the h . c . p .

and a , and a , make an angle of 120° to one another in the basal plane . There

are two atoms per unit cell , at ( 0 , 0 , 0 ) and ( 3 , š , z ) . The reciprocal

In the h . c . p .

**lattice**, we select axes az , az , c where c is the hexagonal axisand a , and a , make an angle of 120° to one another in the basal plane . There

are two atoms per unit cell , at ( 0 , 0 , 0 ) and ( 3 , š , z ) . The reciprocal

**lattice**is ...### 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