hair effect of diferent cutting tecniques

hello...I´m a n experience hairdresser from mexico,,,i´m looking for info about micromagnetic charges in hair, that has some effect over the way the hair will turn after the cut. i hope my explanation is clear, and my english understable
i´ve a complete studie about how the differencce in the lenghts or a hair cutting partition, may result in a especial effect , like turning up, or down, to the left side or right.. i¨ve tryed this for six years and always has the same result.
i hope havin an answer, thanks