An energy-resolved atomic scanning probe

Gruss, Daniel; Chien, Chih-Chun; Barreiro, Julio T.; Di Ventra, Massimiliano; Zwolak, Michael

doi:10.1088/1367-2630/aaedcf

Title: An energy-resolved atomic scanning probe

Journal Article · 21 November 2018 · New Journal of Physics

DOI: https://doi.org/10.1088/1367-2630/aaedcf · OSTI ID:1483010

Gruss, Daniel;

; Barreiro, Julio T.; Di Ventra, Massimiliano;

We propose a method to probe the local density of states (LDOS) of atomic systems that provides both spatial and energy resolution. The method combines atomic and tunneling techniques to supply a simple, yet quantitative and operational, definition of the LDOS for both interacting and non-interacting systems: it is the rate at which particles can be siphoned from the system of interest by a narrow energy band of non-interacting states contacted locally to the many-body system of interest. Ultracold atoms in optical lattices are a natural platform for implementing this broad concept to visualize the energy and spatial dependence of the atom density in interacting, inhomogeneous lattices. This includes models of strongly correlated condensed matter systems, as well as ones with non-trivial topologies.

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Research Organization:: Univ. of California, San Diego, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FG02-05ER46204

OSTI ID:: 1483010

Journal Information:: New Journal of Physics, Journal Name: New Journal of Physics Journal Issue: 11 Vol. 20; ISSN 1367-2630

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United Kingdom

Language:: English

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71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
cold atoms
local density of states
physics
quantum transport
scanning probe

Title: An energy-resolved atomic scanning probe

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