Browsing by Author "Nigussie Yhunebrhane"

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    Quantum Hall Effect in 2DES and Graphene
    (Addis Ababa University, 2014-06) Nigussie Yhunebrhane; Mal'nev Vadim (Professor)
    We consider the behavior of 2D systems in the strong magnetic elds and at low temperature. The main attention is devoted to the quantum Hall e ect in two dimension electron gas and in one layered graphene . The original part of the work is the analysis of Landau level of mono layer graphene in cylinderical cooridinate