4. Extensions

thickness of double layer
Henry (1930)
boundary conditions (constant charge)
Teubner (1982)
Anderson (1985)
shape of the particle
Morrison (1970)
distortion of double layer
Dukhin, Derjaguin (1974) theory for thin DL
O'Brien, White (1978) numerical for arbitrary DL
O'Brien (1983) theory for thin DL
polarization of the particles
Bazant, Squires (2004), Squires, Bazant (2004, 2006)