Read Chapter 6.1 from G-L. Ingold & Yu. Nazarov, "Charge Tunneling Rates in Ultrasmall Junctions".

a) Use it to draw the Coulomb diamonds (consider n=0 diamond only) for the case when C_1=2C_2=C_G/2.

b) In what limit the approximations used in class are recovered?

(10 points)