Abstract
Progress in semiconductor technology has enabled the fabrication of structures so small that they can contain just one mobile electron. By varying controllably the number of electrons in these 'artificial atoms' and measuring the energy required to add successive electrons, one can conduct atomic physics experiments in a regime that is inaccessible to experiments on real atoms.
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Ashoori, R. Electrons in artificial atoms. Nature 379, 413–419 (1996). https://doi.org/10.1038/379413a0
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DOI: https://doi.org/10.1038/379413a0
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