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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 1505-1508 
    ISSN: 0392-6737
    Keywords: Excitons and related phenomena (including electron-hole drops) ; Electron states in low-dimensional structures (including quantum wells, superlattices, layer structures, and intercalation compounds) ; III-V and II-VI inorganics ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary A model for calculating exciton binding energies in quantum wells (QWs) is presented, which can be applied to situations in which one of the two band discontinuities is large, while the second one can be arbitrary (positive, negative, or zero). The model is applied to ZnSe/ZnSSe and InGaAs/GaAs QWs., The crossover between strong-and weak-confinement, regimes for excitons in narrow QWs is studied within a simplified model with two one-parameter, variational wave functions.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1572-9591
    Keywords: Magnetic fusion ; International Thermonuclear Experimental Reactor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Since 1992, fusion researchers from the U.S., Japan, Europe, Russia, and other countries, have been engaged in a very successful collaboration on the engineering design activities (EDA) of the world's first fusion experimental reactor (ITER). Decisions on whether and where to construct this 1500 MWth, $10 billion facility are scheduled to be made by July 1998. The United States, for budgetary reasons, is faltering in its commitment to fusion development, and thus risks not being involved as a full partner when ITER is built and the long-sought goal of fusion energy is achieved. In this paper, we examine, from the point of view of U.S. industry, the issues and opportunities presented by this historic venture.
    Type of Medium: Electronic Resource
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