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Understanding excitons using spherical geometry

Loos, Pierre-Francois


Using spherical geometry, we introduce a novel model to study excitons confined in a three-dimensional space, which offers unparalleled mathematical simplicity while retaining much of the key physics. This new model consists of an exciton trapped on the 3-sphere (i.e. the surface of a four-dimensional ball), and provides a unified treatment of Frenkel and Wannier-Mott excitons. Moreover, we show that one can determine, for particular values of the dielectric constant ε, the closed-form...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Physics Letters A
DOI: 10.1016/j.physleta.2012.05.010


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