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V(volt)/A(angstrom) to W(watt)/cm2 (centimeter square)?

  1. Sep 1, 2015 #1
    Dear all

    I am reading one paper and confused how authors converted V(volt)/A(angstrom) to W(watt)/cm2 (sentimeter square). The article entitled

    ''Modifying the Interlayer Interaction in Layered Materials with an Intense IR Laser''
    Associated link is
    Specific Text of this paper is also attached as a screen shot.

    Many thanks
    Best wishes

    Attached Files:

  2. jcsd
  3. Sep 1, 2015 #2


    User Avatar

    Staff: Mentor

    The intensity will be the average of the square of the field, with proper physical constants. Try
    I = \frac{1}{2} \epsilon_0 c E^2
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