From Cooper Pairs to Composite Bosons: A Generalized RPA Analysis of Collective Excitations

Preprint

11 October 1993

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9310021

Abstract

The evolution of the ground state and the excitation spectrum of the two and three dimensional attractive Hubbard model is studied as the system evolves from a Cooper pair regime for weak attraction to a composite boson regime for a strong attraction.

Keywords

COMPOSITE BOSONS
GENERALIZED RPA
RPA ANALYSIS
COOPER PAIR
ATTRACTION
EVOLUTION

All Related Versions

Version 1, 1993-10-11, ArXiv
Published version: Physical Review B, 49 (10), 6829.

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