Abstract:
:Spin-orbit coupling (SOC) plays an essential role in many exotic and interesting phenomena in condensed matter physics. In neutral-atom-based quantum simulations, synthetic SOC constitutes a key enabling element. The strength of SOC realized so far is limited by various reasons or constraints. This work reports tunable SOC synthesized with a gradient magnetic field (GMF) for atoms in a harmonic trap. Nearly ten-fold enhancement is observed when the GMF is modulated near the harmonic-trap resonance in comparison with the free-space situation. A theory is developed that well explains the experimental results. Our work offers a clear physical insight into and analytical understanding of how to tune the strength of atomic SOC synthesized with GMF using harmonic trap resonance.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wu LN,Luo XY,Xu ZF,Ueda M,Wang R,You Ldoi
10.1038/srep46756subject
Has Abstractpub_date
2017-04-27 00:00:00pages
46756issn
2045-2322pii
srep46756journal_volume
7pub_type
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