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

Weiping Zhang, Han Pu, Chris Search, Pierre Meystre

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Volume88
Issue number6
DOIs
StatePublished - 2002

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