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Science 22 November 1996:
Vol. 274. no. 5291, pp. 1277 - 0
DOI: 10.1126/science.274.5291.1277a
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This Week in Science

TWIS Image A quantum dot is a semiconductor structure in which electrons are confined within a small volume and have discrete energy levels resembling those of atoms. Livermore et al. (p. 1332) have constructed coupled quantum dots in which electrons can tunnel between dots, thus creating "artificial molecules." The conductances observed in both the weak and strong tunneling limits agree with predictions from many-body theory.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)