Dynamics of F = 2 Spinor Bose-Einstein Condensates

Kai Bongs, H Schmaljohann, M Erhard, J Kronjager, M Kottke, S van Staa, L Cacciapuoti, JJ Arlt, K Sengstock

Research output: Contribution to journalArticle

288 Citations (Scopus)

Abstract

We experimentally investigate and analyze the rich dynamics in F=2 spinor Bose-Einstein condensates of 87Rb. An interplay between mean-field driven spin dynamics and hyperfine-changing losses in addition to interactions with the thermal component is observed. In particular, we measure conversion rates in the range of 10(-12) cm(3) s(-1) for spin-changing collisions within the F=2 manifold and spin-dependent loss rates in the range of 10(-13) cm(3) s(-1) for hyperfine-changing collisions. We observe polar behavior in the F=2 ground state of 87Rb, while we find the F=1 ground state to be ferromagnetic. We further see a magnetization for condensates prepared with nonzero total spin.
Original languageEnglish
Pages (from-to)040402
Number of pages1
JournalPhysical Review Letters
Volume92
DOIs
Publication statusPublished - 1 Jan 2004

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