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Unformatted text preview: Square-barrier tunneling: T " 16 E U o # E ( ) U o 2 exp # 2 $ L ( ) ; = 2 m U o # E ( ) h 2 Energy levels in an infinitely deep quantum well: E n = n 2 " 2 h 2 2 mL 2 p = h E = h # "# = c h = 6.63x10 34 Js = 4.14x10 15 eVs; h = 1.055x10 34 Js = 6.595x10 16 eVs (Plancks constant) c = 3.0x10 8 m/s (speed of light in vacuum) k = 1.38x10 23 J/K = 8.617x10 5 eV/K (Boltzmanns constant, not wave number) m = 9.11x10 31 kg (mass of an electron) q = 1.6x10 19 C (charge of an electron) o = 8.85x10 12 F/m (free-space permittivity) 1 eV = 1.6x10 19 J...
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- Spring '09