One-dimensional hybrid simulation of the electrical asymmetry effect caused by the fourth-order harmonic in dual-frequency capacitively coupled plasma
Wang Shuai1, †, , Long Hai-Feng1, Bi Zhen-Hua2, Jiang Wei3, Xu Xiang4, Wang You-Nian4
       

The picture of Eqs. (7)–(14) which shows how the extreme voltages are constructed from the above eight functions.