Supercriticality and Transmission Resonances in the Dirac equation
N Dombey, P Kennedy, A Calogeracos
Abstract
It is shown that a Dirac particle of mass m and arbitrarily small momentum will tunnel without reflection through a potential barrier V=Uc(x) of finite range provided that the potential well V=-Uc(x) supports a bound state of energy E=-m. This is called a supercritical potential well.
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