2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50731There have been comments on the starting paper, hep-th/0106074, which point out unclear motivation and definitions on noncommutative momentum introduced. Therefore, this paper is withdrawn by the author for more clear presentation.withdrawn by author due to unclear motivation in base paperHigh Energy Physics - TheoryMetric and noncommutative parameter for longitudinal spin polarizationtext