Reference : Artificial Abelian gauge potentials induced by dipole-dipole interactions between Ryd...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/155944
Artificial Abelian gauge potentials induced by dipole-dipole interactions between Rydberg atoms
English
Cesa, Alexandre mailto [Université de Liège - ULiège > Département de physique > Optique quantique >]
Martin, John mailto [Université de Liège - ULiège > Département de physique > Optique quantique >]
2013
Physical Review A
American Physical Society
88
062703
Yes (verified by ORBi)
International
1050-2947
1094-1622
College Park
MD
[en] We analyze the influence of dipole-dipole interactions between Rydberg atoms on the generation of Abelian artificial gauge potentials and fields. When two Rydberg atoms are driven by a uniform laser field, we show that the combined atom-atom and atom-field interactions give rise to new, nonuniform, artificial gauge potentials. We identify the mechanism responsible for the emergence of these gauge potentials. Analytical expressions for the latter indicate that the strongest artificial magnetic fields are reached in the regime intermediate between the dipole blockade regime and the regime in which the atoms are sufficiently far apart such that atom-light interaction dominates over atom-atom interactions. We discuss the differences and similarities of artificial gauge fields originating from resonant dipole-dipole and van der Waals interactions. We also give an estimation of experimentally attainable artificial magnetic fields resulting from this mechanism and we discuss their detection through the deflection of the atomic motion.
http://hdl.handle.net/2268/155944
10.1103/PhysRevA.88.062703
http://link.aps.org/doi/10.1103/PhysRevA.88.062703
Paper selected by the editors of Physical Review A to be an Editors' Suggestion.

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