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

### From inside the book

Results 1-3 of 28

Page 432

Equation ( 87 ) gives the line gela ' ) in the g - 2 plane above which the normal

state is unstable

) 29 ( 1 . 99 ) - - - - - 02 . 00 ) alk , ( 2 . 00 ) Fig . 7 . - Phase diagram indicating the

...

Equation ( 87 ) gives the line gela ' ) in the g - 2 plane above which the normal

state is unstable

**relative**to the ferromagnetic state , as shown in Fig . 7 . - ( 1 . 94) 29 ( 1 . 99 ) - - - - - 02 . 00 ) alk , ( 2 . 00 ) Fig . 7 . - Phase diagram indicating the

...

Page 435

( Q ) < 9 , ( Q ) , the paramagnetic state is metastable

corresponding to the lower branch for g ( Q ) < g < go ( Q ) and unstable

to it for g > g ( Q ) . The branching point go ( Q ) approaches g , ( Q ) as Q

approaches 2kp ...

( Q ) < 9 , ( Q ) , the paramagnetic state is metastable

**relative**to the statecorresponding to the lower branch for g ( Q ) < g < go ( Q ) and unstable

**relative**to it for g > g ( Q ) . The branching point go ( Q ) approaches g , ( Q ) as Q

approaches 2kp ...

Page 448

overweigh the other two . As one starts out from high densities , V , remains

relatively unimportant and AE decreases

come a density at which a mechanical instability would set in , a horizontal point

of ...

overweigh the other two . As one starts out from high densities , V , remains

relatively unimportant and AE decreases

**relative**to V . Thus there ultimately mustcome a density at which a mechanical instability would set in , a horizontal point

of ...

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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