Single-atom edgelike states via quantum interference

G. Pelegrí, J. Polo, A. Turpin, M. Lewenstein, J. Mompart, V. Ahufinger

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)


© 2017 American Physical Society. We demonstrate how quantum interference may lead to the appearance of robust edgelike states of a single ultracold atom in a two-dimensional optical ribbon. We show that these states can be engineered within the manifold of either local ground states of the sites forming the ribbon or states carrying one unit of angular momentum. In the former case, we show that the implementation of edgelike states can be extended to other geometries, such as tilted square lattices. In the latter case, we suggest using the winding number associated to the angular momentum as a synthetic dimension.
Original languageEnglish
Article number013614
JournalPhysical Review A
Issue number1
Publication statusPublished - 17 Jan 2017


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