## Frontiera E Confini Della Fisica Di Molte ParticelleR. A. Broglia, John Robert Schrieffer, Società italiana di fisica Subjects at the forefront of many-particle research, like high-temperature superconductivity, the quantum Hall effect, heavy fermions, tunneling of quantal systems with many degrees of freedom, Monte Carlo calculations on a lattice etc., were presented. The meeting was well timed as it coincided with a very active period of research in the study of superconductivity and thus provided an excellent opportunity to assess some of the major developments that have taken place in the last years. |

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Page 336

So far we have not discussed the magnitudes of the couplings of the nucleons to

the scalar and

parameters are relatively free. One approach, which has been followed since the

original ...

So far we have not discussed the magnitudes of the couplings of the nucleons to

the scalar and

**vector**fields. Since we are working in a toy model, theseparameters are relatively free. One approach, which has been followed since the

original ...

Page 361

The electromagnetic potential 4-

energy-momentum 4-

electrostatic potential by QD instead of V). Thus we may write, in place of (A.15), ...

The electromagnetic potential 4-

**vector**(cqb, A) transforms in the same way as theenergy-momentum 4-

**vector**(in this appendix and the following we denote theelectrostatic potential by QD instead of V). Thus we may write, in place of (A.15), ...

Page 362

Since the components of the electromagnetic

similarly to the energy-momentum 4-

frame equals its value in the laboratory frame, AR = AL, while the scalar potential

...

Since the components of the electromagnetic

**vector**potential (cq., A) transformsimilarly to the energy-momentum 4-

**vector**, the 3-**vector**potential in the rotatingframe equals its value in the laboratory frame, AR = AL, while the scalar potential

...

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### Contents

insula | 1 |

EVB theory such as it is | 14 |

Formal theories of EVB and highT0 superconductivity | 20 |

Copyright | |

21 other sections not shown

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### Common terms and phrases

amplitude angular momentum approximation band barrier behavior calculated charge classical configuration correlation Coulomb coupling cross-section defined deformation degrees of freedom density described dipole discussed dynamics edited effect eigenstates electron equation of motion excitation energy exciton expectation value experimental factor Fermi energy Fermi liquid Fermi surface fermion finite fluctuations gauge given Green's function Gutzwiller Hamiltonian Hartree heavy-ion hole Hubbard model inertia interaction Landau lattice Laughlin Lett limit linear magnetic field mass matrix element mean-field Monte Carlo neutrons nuclear nucleon nucleus obtained orbital oscillator P. W. ANDERSON pairing parameter particle path integral phase Phys physics potential problem quadrupole quantity quantum quasi-particle R. A. BROGLIA relativistic renormalized resonance rotational frequency sect shown in fig simulation single-particle spin spinon superconductivity symmetry temperature term theory tion tonian transition tunnelling variable vector wave function yrast zero