Anderson, B.
, Spielman, I.
and Juzeliunas, G.
(2013),
Magnetically generated spin-orbit coupling for ultracold atoms, Physical Review Letters, [online], https://doi.org/10.1103/PhysRevLett.111.125301
(Accessed September 8, 2024)
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Magnetically generated spin-orbit coupling for ultracold atoms
Published
Author(s)
, , Gediminas Juzeliunas
Abstract
We present a new technique for producing two and three dimensional Rashba-type spin-orbit coupling for ultra cold atoms without involving light. The method relies on a sequence of pulsed inhomogeneous magnetic fields imprinting suitable phase gradients on the atoms. For sufficiently short pulse durations, the time-averaged Hamiltonian well approximates the Rashba Hamiltonian. Higher order corrections to the energy spectrum are calculated exactly for spin-1/2 and pertur- batively for higher spins. The pulse sequence does not modify the form of rotationally symmetric atom-atom interactions. Finally, we present a straightforward implementation of this pulse sequence on an atom-chip.Citation
Physical Review Letters
Volume
111
Pub Type
Journals
Download Paper
Keywords
Artificial Gauge Fields, Ultracold atoms, Spin orbit coupling
Citation
Issues
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Created September 18, 2013, Updated November 10, 2018