Full transmission within a wide energy range and super-criticality in relativistic barrier scattering
classification
🪐 quant-ph
cond-mat.mes-hall
keywords
fullpotentialtransmissionenergyscalarvectorwidearbitrarily
read the original abstract
For potential barriers with scalar and vector coupling, we show that a Dirac particle could experience nearly full transmission within a wide sub-barrier energy band. Moreover, for certain potential configurations, including pseudo-spin symmetry where the scalar potential is the negative of the vector, full transmission occurs for arbitrarily small momentum.
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