## Proceedings of the International School of Physics "Enrico Fermi.", Volume 23N. Zanichelli, 1963 - Nuclear physics |

### From inside the book

Results 1-3 of 12

Page 116

We shall introduce the

us to proceed systematically to other ... The single-particle

defined as (13) Q(k, «,-<,) = ^OITta^UlftfllO), where |0> is the true ground state of

the ...

We shall introduce the

**Green's functions**formalism, a powerful tool which allowsus to proceed systematically to other ... The single-particle

**Green's function**isdefined as (13) Q(k, «,-<,) = ^OITta^UlftfllO), where |0> is the true ground state of

the ...

Page 119

We have now shown that, knowing the

the eigenenergics and the strength function. In practice we calculate the

We have now shown that, knowing the

**Green's function**, we can calculate boththe eigenenergics and the strength function. In practice we calculate the

**Green's****function**only in some approximation; we then have the energies and strength ...Page 129

operators, this is, in fact, not more complicated than our one-body

creates, of course, a particle-hole pair, which is annihilated by a,*!*. Defining G(

12, 34; ...

operators, this is, in fact, not more complicated than our one-body

**Green's****function**because we treat both ai,a1 and a2a\ as single operators. The a2a\creates, of course, a particle-hole pair, which is annihilated by a,*!*. Defining G(

12, 34; ...

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### Contents

Lectures | 1 |

G E Brown Collective motion and the application of manybody | 99 |

T Ep icson The compound nucleus and the random phase approximation | 142 |

Copyright | |

1 other sections not shown

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### Common terms and phrases

amplitude approximation assume calculated closed shells coefficients commutation compound configuration consider corresponding coupling cross-section define deformed describe determined diagonal dipole dipole strength discuss eigenfunctions eigenstate eigenvalues electron equation excitation energy expectation value experimental factor force gives Green's function ground Hamiltonian harmonic oscillator Hartree-Fock hermitian adjoint hole hyperfine-structure intrinsic irreducible representation isobaric spin isospin isotope shift large number lecture levels linear magnetic matrix elements Ml transitions Mottelson multipole neutron nuclear charge distribution nucleon nucleus number of particles obtained one-particle operator operator F optical potential orbitals orthogonal pair parameters particle-hole interaction perturbation theory Phys physical problem proton quadrupole qualitative quantum number quasi-particle random relation residual interaction resonant rotation rotation group scattering self-consistent shell-model shown single-particle solution spectrum spherical symmetry time-dependent tion total angular momentum two-body two-particle unperturbed variation vector vibrations wave function wave-functions width y-ray zero