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Tunneling Probability

  1. Sep 30, 2009 #1
    1. The problem statement, all variables and given/known data
    A particle of mass m is incident on a planar barrier which we represent by a potential [tex]V(z)=\lambda\delta(x)[/tex]. If the energy of the particle is E, and the incident velocity makes an angle [tex]\theta[/tex] with the z axis, what is the probability that the particle will penetrate the barrier?


    3. The attempt at a solution
    I can solve the problem for the case of normal incidence, as this is just the case of a delta potential barrier. However I have no idea how to include the incidence angle in the problem. This is where I am stuck, how/where does the angle [tex]\theta[/tex] come into the setup of the problem?
     
  2. jcsd
  3. Oct 1, 2009 #2
    Anyone have any ideas on this? I just need some advice on how to setup the problem... I am lost on it =/
     
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