Recent developments in trapping and manipulation of atoms with adiabatic potentials

Abstract : A combination of static and oscillating magnetic fields can be used to 'dress' atoms with radio-frequency (RF), or microwave, radiation. The spatial variation of these fields can be used to create an enormous variety of traps for ultra-cold atoms and quantum gases. This article reviews the type and character of these adiabatic traps and the applications which include atom interferometry and the study of low-dimensional quantum systems. We introduce the main concepts of magnetic traps leading to adiabatic dressed traps. The concept of adiabaticity is discussed in the context of the Landau–Zener model. The first bubble trap experiment is reviewed together with the method used for loading it. Experiments based on atom chips show the production of double wells and ring traps. Dressed atom traps can be evaporatively cooled with an additional RF field, and a weak RF field can be used to probe the spectroscopy of the adiabatic potentials. Several approaches to ring traps formed from adiabatic potentials are discussed, including those based on atom chips, time-averaged adiabatic potentials and induction methods. Several proposals for adiabatic lattices with dressed atoms are also reviewed.
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Submitted on : Wednesday, March 22, 2017 - 3:24:15 PM
Last modification on : Thursday, February 7, 2019 - 5:48:28 PM

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Barry M Garraway, Hélène Perrin. Recent developments in trapping and manipulation of atoms with adiabatic potentials. Journal of Physics B: Atomic, Molecular and Optical Physics, IOP Publishing, 2016, 49 (17), pp.172001. ⟨http://iopscience.iop.org/article/10.1088/0953-4075/49/17/172001⟩. ⟨10.1088/0953-4075/49/17/172001⟩. ⟨hal-01494027⟩

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