Transfer matrix approach in graphene.

  1. Who can explain the following questions about transfer matrix?

    formula (31) in New Journal of Physics, Vol.12 123020.
    is different from the result of another
    paper in Journal of Physics:Condensed matter (Vol.21, 045305 (2009))[].
    The expression for transfer matrix is different from each other, even if for a single trench.

    Who can give me a hint or instruction?
  2. jcsd
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