## Proceedings of the International School of Physics "Enrico Fermi.", Volume 69N. Zanichelli, 1977 - Nuclear physics |

### From inside the book

Results 1-3 of 3

Page 57

This result was first pointed out by Cooper in connection with the problem of

electrons moving in a metal at low

the instability of the normal phase was due to pairs of electrons entering this type

of ...

This result was first pointed out by Cooper in connection with the problem of

electrons moving in a metal at low

**temperatures**[ 2 ] . COOPER suggested thatthe instability of the normal phase was due to pairs of electrons entering this type

of ...

Page 77

[ 5 ] may be used to describe the behaviour of the pairing degree of freedom

close to the phase transition , in a similar way as the Ginzburg - Landau theory is

used to describe the behaviour of the condensate near the critical

.

[ 5 ] may be used to describe the behaviour of the pairing degree of freedom

close to the phase transition , in a similar way as the Ginzburg - Landau theory is

used to describe the behaviour of the condensate near the critical

**temperature**. 3.

Page 141

Indeed the estimate that one gets of the «

density from that picture is rather good . Getting back to the time - dependent

generalisation , we must also imagine that the rate of change of the mean field is

small ...

Indeed the estimate that one gets of the «

**temperature**» parameter in the leveldensity from that picture is rather good . Getting back to the time - dependent

generalisation , we must also imagine that the rate of change of the mean field is

small ...

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### Contents

A BOHR Some aspects of rotational motion | 3 |

B R MOTTELSON Elementary excitations in the nucleus | 42 |

R BÉs and R A BROGLIA Nuclear superfluidity | 55 |

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addition angular momentum appears approximation associated backbending band calculated closed collective compared comparison components configurations considered contributions corresponding coupling cross-sections deformation density dependence describe determined discussed distribution effects electron equations estimate evidence example excitation energy expected experiment experimental expression fact factor field given gives ground Hamiltonian hole included increase indicate inertia interaction Lett levels limit mass matrix elements measured modes moments motion neutron Nucl nuclear nuclei nucleons observed obtained operator orbits oscillator pairing parameters particle particular peak Phys physical possible potential predictions present processes protons quadrupole reaction region relation relative resonance respect rotational rule scattering seen shape shell model shown in fig shows simple single single-particle space spectra spectrum strength structure surface symmetry theory tion transfer transition values vibrational wave functions