An electron having total energy E=4.50 eV approaches a rectangular energy barrier with U=5.00 eV and L= 950 pm as shown in Figure P 28.58 . Classically, the electron cannot pass through the barrier because E<U. Quantummechanically, however, the probability of tunneling is not zero. (a) Calculate this probability, which is the transmission coefficient. (b) To what value would the width L of the potential barrier have to be increased for the chance of an incident 4.50 -eV electron tunneling throug
An electron having total energy E=4.50 eV approaches a rectangul…
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