The BEC-BCS crossover: Some history and some general observations

A. J. Leggett, S. Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter


While the experimental realization in ultracold Fermi alkali gases of the phenomenon we now call the "BEC-BCS crossover" was attained only in the last few years, theoretical considerations of this issue go back a lot further, and refer to other systems as well. In the first part of this chapter we review some of this history, while in the second half we make some general comments on the current theoretical situation with respect to the specific ultracold-gas implementation.

Original languageEnglish (US)
Title of host publicationThe BCS-BEC Crossover and the Unitary Fermi Gas
EditorsWilhelm Zwerger
Number of pages15
StatePublished - 2012

Publication series

NameLecture Notes in Physics
ISSN (Print)0075-8450

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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