Closed-form solution of mid-potential between two parallel charged plates with more extensive application
Shang Xiang-Yu†a),b), Yang Chenb), Zhou Guo-Qinga)
       
Comparisons of numerical solutions with those from Eqs. ( 3 )–( 5 ) for ϕ 0 = 1 (a), 2 (b), 5 (c), and 10 (d).