Atom chips with free-standing two-dimensional electron gases: advantages and challengesTools Sinuco-León, German A., Kruger, Peter and Fromhold, T. M. (2018) Atom chips with free-standing two-dimensional electron gases: advantages and challenges. Journal of Modern Optics, 65 (5-6). pp. 677-692. ISSN 1362-3044 Full text not available from this repository.AbstractIn this work, we consider the advantages and challenges of using free-standing two-dimensional electron gases (2DEG) as active components in atom chips for manipulating ultracold ensembles of alkali atoms. We calculate trapping parameters achievable with typical high-mobility 2DEGs in an atom chip configuration and identify advantages of this system for trapping atoms at submicron distances from the atom chip. We show how the sensitivity of atomic gases to magnetic field inhomogeneity can be exploited for controlling the atoms with quantum electronic devices and, conversely, using the atoms to probe the structural and transport properties of semiconductor devices.
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