Calculation of Coupling Capacitance in Planar Electrodes
  We show how capacitance can be calculated simply and efficiently for electrodes cut in a 2-dimensional ground plane. These results are in good agreement with exact formulas and numerical simulations. 
John M. Martinis, Rami Barends, Alexander N. Korotkov
physics.class-ph cond-mat.supr-con quant-ph