手機版
當dang氣qi體ti原yuan子zi受shou到dao外wai界jie因yin素su作zuo用yong時shi最zui外wai層ceng的de價jia電dian子zi吸xi收shou能neng量liang，從cong平ping時shi所suo處chu的de基ji態tai躍yue遷qian到dao較jiao高gao的de激ji發fa態tai，這zhe個ge過guo程cheng稱cheng為wei激ji發fa。這zhe種zhong被bei激ji發fa的de原yuan子zi稱cheng為wei受shou激ji原yuan子zi，當dang一yi個ge基ji態tai原yuan子zi或huo受shou激ji原yuan子zi吸xi收shou能neng量liang從cong基ji態tai或huo激ji發fa態tai升sheng到dao能neng級ji更geng高gao的de狀zhuang態tai時shi，價jia電dian子zi有you可ke能neng從cong受shou束shu縛fu狀zhuang態tai變bian成cheng自zi由you電dian子zi。這zhe個ge原yuan子zi就jiu成cheng為wei帶dai正zheng電dian荷he的de離li子zi，這zhe個ge過guo程cheng稱cheng之zhi為wei電dian離li。氣qi體ti放fang電dian是shi指zhi電dian流liu通tong過guo氣qi體ti媒mei質zhi時shi所suo發fa生sheng的de放fang電dian過guo程cheng。放fang電dian既ji有you原yuan子zi的de激ji發fa，也ye有you原yuan子zi的de電dian離li。放fang電dian包bao括kuo三san級ji式shi的de過guo程cheng，自zi由you電dian子zi被bei外wai電dian場chang加jia速su，運yun動dong的de電dian子zi與yu氣qi體ti原yuan子zi碰peng撞zhuang，電dian子zi的de動dong能neng轉zhuan交jiao給gei原yuan子zi，原yuan子zi受shou激ji，受shou激ji的de原yuan子zi返fan回hui基ji態tai時shi，所suo吸xi收shou的de能neng量liang以yi光guang子zi輻fu射she的de形xing式shi釋shi放fang出chu來lai。
