ECE495N-F08-Final_Exam_notes - 1 U s e fu l R e s u lts...

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1 Useful Results Basic equations of coherent transport Γ 1 = i [ Σ 1 − Σ 1 + ] , Γ 2 = i [ Σ 2 − Σ 2 + ] , Density of states Electron density Current/energy 2-terminal current Simpler version n ( E ) = D ( E ) γ 1 f 1 ( E ) + 2 f 2 ( E ) 1 + 2 Electron density I i ( E ) = ( q i / ) D ( E ) f i ( E ) n ( E ) ( ) Current/energy I ( E ) = q 1 2 1 + 2 D ( E ) ( f 1 ( E ) f 2 ( E )) 2-terminal current Ballistic transport: . In diffusive regime , leading to a reduction in the current
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This note was uploaded on 12/30/2010 for the course ECE 495N taught by Professor S.datta during the Spring '08 term at Indiana University-Purdue University Fort Wayne.

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