QFT 4
InthisnotewepresentexplicitandelementaryformulasforthecorrespondencebetweenthegroupofspecialLorentztransformationSO^+(3,1),ontheonehand, ...,TheSpecialLinearGroupinTwoComplexDimensionsSL(2,C)isthedoublecoveroftheRestrictedLorentzGroupin4Dimension...。參考影片的文章的如下: