Прегледај по Аутор "Vučenović, Siniša M"

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    Adaption and application of the Green function method to research on molecular ultrathin film optical properties
    (IOP Publishing, 2009) Setrajčić, Jovan P; Ilić, Dušan I.; Markoski, Branko; Setrajčić, Ana J.; Vučenović, Siniša M; Mirjanić, Dragoljub Lj.; Škipina, Blanka; Pelemiš, Svetlana
    Interest in the study of the exciton subsystem in crystalline structures (in this case nanostructures, i.e. thin films) occurred because dielectric, optical, photoelectric and other properties of materials can be explained by means of it. The basic question to be solved concerning theoretical research into the spatially strongly bounded structures is the inability to apply the standard mathematical tools: differential equations and Fourier analysis. In this paper, it is shown how the Green function method can also be efficiently applied to crystalline samples so constrained that quantum size effects play a significant role on them. For the purpose of exemplification of this method’s application, we shall consider a molecular crystal of simple cubic structure: spatially unbounded (bulk) and strongly bounded alongside one direction (ultrathin film).