phymath999
Thursday, November 27, 2014
ask01 群速度相速度,群速度,能量速度,这3种速度在非色散介质中是完全相等的,在色散介质中,相速度可能超光速
群速度相速度,群速度,能量速度,这3种速度在非色散介质中是完全相等的,在色散介质中,相速度可能超光速
http://www.ksyzs.com/article/jiatingshenghuo/2014-11-28/3601422.html
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