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kingcool
Joined: 26 Jun 2014 Posts: 1 Location: Türkiye

Posted: Thu Jun 26, 2014 10:31 am Post subject: Quantum well Mathematica 


Hello,
What is the AlGaAs/GaAs quantum well to mathematica?
GaAs Parameters:
Ve=0.22 eV
Vh=0.15 eV
well lenght=10 nm
I made asnwer for elektron below:
r = 4;
f[x_] := Sqrt[r^2  x^2]
g[x_] := x Cot[x]
h[x_] := x Tan[x]
Plot[{f[x], g[x], h[x]}, {x, 0, 4}]
k[x_] := (Sqrt[r^2  x^2] + (x Cot[x]))
l[x_] := (Sqrt[r^2  x^2]  (x Tan[x]))
FindRoot[l[x] == 0, {x, 1, 1.5}]
FindRoot[k[x] == 0, {x, 2, 3}]
FindRoot[l[x] == 0, {x, 3, 4}]
How am I make quatum well?
I want to seen Energy levels by mathematical values.
Could us help me? 

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