4) Suppose an electron of energy E experiences the following potential in an electric field & z<0 V(z) = { z>0 ф-eez Here > 0 is called the work function, and we use the convention that e>0. Use the WKB approximation to calculate the transmission coefficient as a function of the electric field.
4) Suppose an electron of energy E experiences the following potential in an electric field & z<0 V(z) = { z>0 ф-eez Here > 0 is called the work function, and we use the convention that e>0. Use the WKB approximation to calculate the transmission coefficient as a function of the electric field.
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Transcribed Image Text:4) Suppose an electron of energy E experiences the following potential in an electric field &
z<0
V(z) = {
z>0
- eɛz
Here > 0 is called the work function, and we use the convention that e>0.
Use the WKB approximation to calculate the transmission coefficient as a function of the
electric field.
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