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References
Capasso, F. et al. Nature 358, 565–567 (1992).
Chang, L. L., Esaki, L. & Tsu, R. Appl. Phys. Lett. 24, 593–595 (1974).
Mendez, E. & von Klitzing, K. (eds) Physics and Applications of Quantum Wells and Superlattices (Plenum, New York, 1986).
Voss, R. F. & Webb, R. A. Phys. Rev. Lett. 47, 697–700 (1981).
Chakravarty, S. in New Techniques and Ideas in Quantum Measurement Theory (ed. Greenberger, D. M.) 25–35 (New York Acad. Sci., New York, 1986).
Mazenko, E. & Grinstein, G. (eds) Directions in Condensed Matter Physics (World Scientific, Singapore, 1986).
Fano, U. Phys. Rev. B124, 1866–1872 (1961).
von Neumann, J. & Wigner, E. Phys. Z. 30, 467–470 (1929).
Fowles, G. R. Introduction to Modern Optics, 90–94 (Dover, New York, 1989).
Yablonovitch, E. et al. Phys. Rev. Lett. 67, 3380–3383 (1991).
Stillinger, F. H. Physica 85B, 270–276 (1977).
von Neumann, J. & Wigner, E. Phys. Z. 30, 465–467 (1929).
Simon, B. Commun. pure appl. Math. 22, 531–538 (1969).
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Washburn, S. Trapped in mid-air. Nature 358, 537–538 (1992). https://doi.org/10.1038/358537a0
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DOI: https://doi.org/10.1038/358537a0