跃迁速率 Wmk= transition prob. per unit time mk dt
跃迁速率 dt dP w transition prob per unit time m k m k = =
周期微扰 H(t)=AcoS(at+o) lot i(a+Omk )t i COmk -o)t Hmk= Fy mk ia+amk) mk (O mk ) max nun O=amk,em= Ek ho, absorption 力a. enZSSlOr
周期微扰 emission absorption imum i e F i e H F Fe F e H t A t m k m k m k m k m k i t m k m k i t m k m k i t i t m k m k , , , , max ( ) 1 * ( ) 1 ' ˆ ˆ cos( ) ˆ '( ) ( ) ( ) = − = − = = + − − + + − = = + = + + − + −