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arXiv · 0704.1283

Scanning tunnelling microscopy for ultracold atoms

Corinna Kollath·Michael Köhl·Thierry Giamarchi
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Abstract

We propose a novel experimental probe for cold atomic gases analogous to the scanning tunnelling microscope (STM) in condensed matter. This probe uses the coherent coupling of a single particle to the system. Depending on the measurement sequence, our probe allows to either obtain the \emph{local} density, with a resolution on the nanometer scale, or the single particle correlation function in real time. We discuss applications of this scheme to the various possible phases for a two dimensional Hubbard system of fermions in an optical lattice.

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Corinna Kollath, Michael Köhl, Thierry Giamarchi. 2007-04-10. Scanning tunnelling microscopy for ultracold atoms. https://doi.org/10.1103/physreva.76.063602

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