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Abstract: We propose the Subwavelength Localization via Adiabatic Passage SLAPtechnique to coherently achieve state-selective patterning of matter waves wellbeyond the diffraction limit. The SLAP technique consists in coupling twopartially overlapping and spatially structured laser fields to three internallevels of the matter wave yielding state-selective localization at thosepositions where the adiabatic passage process does not occur. We show that bymeans of this technique matter wave localization down to the single nanometerscale can be achieved. We analyze in detail the potential implementation of theSLAP technique for nano-lithography with an atomic beam of metastable Ne* andfor coherent patterning of a two-component 87Rb Bose-Einstein condensate.



Autor: J. Mompart, V. Ahufinger, G. Birkl

Fuente: https://arxiv.org/



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