Trapping of ultra-cold atoms with the magnetic field of vortices in a thin film superconducting micro-structure
T. Müller,T. Müller,B. Zhang,R. Fermani,R. Fermani,Kheong Sann Chan,Z. W. Wang,C.B. Zhang,M. J. Lim,M. J. Lim,Rainer Dumke +10 more
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In this paper, the first ultra-cold atoms have been trapped in the field of magnetic flux quanta by combining the magnetic field of a superconductor in the remanent state with external homogeneous magnetic fields.Abstract:
We store and control ultra-cold atoms in a new type of trap using magnetic fields of vortices in a high temperature superconducting micro-structure. This is the first time ultra-cold atoms have been trapped in the field of magnetic flux quanta. We generate the attractive trapping potential for the atoms by combining the magnetic field of a superconductor in the remanent state with external homogeneous magnetic fields. We show the control of crucial atom trap characteristics such as an efficient intrinsic loading mechanism, spatial positioning of the trapped atoms and the vortex density in the superconductor. The measured trap characteristics are in good agreement with our numerical simulations.read more
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Manipulation and coherence of ultra-cold atoms on a superconducting atom chip
Simon Bernon,H. Hattermann,Daniel Bothner,M. Knufinke,P. Weiss,Florian Jessen,Daniel Cano,M. Kemmler,Reinhold Kleiner,Dieter Koelle,József Fortágh +10 more
TL;DR: The coherence of superposition states of (87)Rb atoms magnetically trapped on a superconducting atom chip are characterized and it is shown that large ensembles of a million of thermal atoms below 350 nK temperature and pure Bose-Einstein condensates with 3.5 × 10(5) atoms can be prepared and manipulated at thesuperconducting interface.
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Fifteen Years of Cold Matter on the Atom Chip: Promise, Realizations, and Prospects
TL;DR: This review will describe developments in the field of atom chips in the context of Bose–Einstein Condensates (BEC) as well as cold matter in general.
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Superconducting microfabricated ion traps
Shannon X. Wang,Yufei Ge,Jaroslaw Labaziewicz,Eric A. Dauler,Karl K. Berggren,Isaac L. Chuang +5 more
TL;DR: Wang et al. as discussed by the authors proposed a superconducting microfabricated ion trap with a superconductor and showed that the trap can be used to detect the presence of ion traps.
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Roadmap on quantum optical systems
Rainer Dumke,Zehuang Lu,John Close,Nicholas Robins,Antoine Weis,Manas Mukherjee,Gerhard Birkl,Christoph Hufnagel,Luigi Amico,Malcolm Boshier,Kai Dieckmann,Wenhui Li,Thomas Killian +12 more
TL;DR: In this paper, the authors present a roadmap of selected areas undergoing rapid progress in quantum optics, highlighting current advances and future challenges, as well as the potential advances in future research.
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Fluctuation-Induced Forces Between Atoms and Surfaces: The Casimir–Polder Interaction
TL;DR: In this paper, the theory of fluctuation-induced interactions between atoms and a surface is reviewed, paying particular attention to the physical characterization of the system, and the role of temperature, situations out of thermal equilibrium, and measurements involving ultra-cold atoms.
References
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TL;DR: In this paper, a new type of magnetic trap whose time-averaged, orbiting potential (TOP) supplies tight and harmonic confinement of atoms is described. But the TOP trap is not suitable for long storage times even for cold atom samples by suppressing the loss due to nonadiabatic spin flips which limits the storage time in an ordinary magnetic quadrupole trap.
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