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i have the london penetration depth defined as [tex]\lambda_l = \sqrt{\frac{m^{**}}{4\pi n_{s} e^{2}}}[/tex].

i'm trying to figure out the dimensionality of it...surely it must be a length, but i get

[tex][(Kg)(m^{3})(A^{-1}s^{-1})]^{0.5}[/tex]

in SI units.

am i doing something wrong?

cheers.

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# Dimensional analysis of the london penetration depth

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