AtthebeginningoftwentiethCentury,wheneveryonetoabandontheparticletheoryoflightandacceptedthewavethatcase,someofthephotoelectriceffectandtheheatradiationproblemsolvingcrisis,DeBrogliewiththespecialtheoryofrelativityandthequantumtheorytheformulaestablishedformulasandwonthegroupvelocityisequaltothevelocityofaparticleofthecorrespondencebetweenthesetupamatter...
AtthebeginningoftwentiethCentury,wheneveryonetoabandontheparticletheoryoflightandacceptedthewavethatcase,someofthephotoelectriceffectandtheheatradiationproblemsolvingcrisis,DeBrogliewiththespecialtheoryofrelativityandthequantumtheorytheformulaestablishedformulasandwonthegroupvelocityisequaltothevelocityofaparticleofthecorrespondencebetweenestablishedaqualitynotequaltozeroparticleandwavecorrespondingtothecompletenessrelation.这才是正确的!