6533b85cfe1ef96bd12bc9d2
RESEARCH PRODUCT
Coherent collisional spin dynamics in optical lattices
Artur WideraSimon FöllingOlaf MandelImmanuel BlochFabrice GerbierTatjana Gerickesubject
PhysicsCondensed Matter::Quantum GasesOptical latticeZeeman effectScatteringOscillationFOS: Physical sciencesGeneral Physics and Astronomy01 natural sciences010305 fluids & plasmasCondensed Matter - Other Condensed MatterMagnetizationsymbols.namesakeLattice (order)[PHYS.COND.CM-GEN]Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other]0103 physical sciencesAtomsymbolsPhysics::Atomic PhysicsAtomic physics010306 general physicsHyperfine structureOther Condensed Matter (cond-mat.other)description
We report on the observation of coherent, purely collisionally driven spin dynamics of neutral atoms in an optical lattice. For high lattice depths, atom pairs confined to the same lattice site show weakly damped Rabi-type oscillations between two-particle Zeeman states of equal magnetization, induced by spin changing collisions. This paves the way towards the efficient creation of robust entangled atom pairs in an optical lattice. Moreover, measurement of the oscillation frequency allows for precise determination of the spin-changing collisional coupling strengths, which are directly related to fundamental scattering lengths describing interatomic collisions at ultracold temperatures.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2005-05-19 |