Spin Waves in a Bose-Einstein–Condensed Atomic Spin Chain

Weiping Zhang, Han Pu, Chris Search, Pierre Meystre

Research output: Contribution to journalArticle

Abstract

The spin dynamics of atomic Bose-Einstein condensates confined in a one-dimensional optical lattice is studied. The condensates at each lattice site behave like spin magnets that can interact with each other through both the light-induced dipole-dipole interaction and the static magnetic dipole-dipole interaction. We show how these site-to-site dipolar interactions can distort the ground-state spin orientations and lead to the excitation of spin waves. The dispersion relation of the spin waves is studied and possible detection schemes are proposed.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review Letters
Volume88
Issue number6
DOIs
StatePublished - Jan 1 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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