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forbidden gap中文

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用"forbidden gap"造句"forbidden gap" in a sentence"forbidden gap"怎麼讀

中文翻譯手機手機版

  • 禁隙
  • 能隙

例句與用法

  • Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal . as a result of quantum interference and photon localization , the population in the two upper levels displays quasi - oscillatory oroscillatory behavior . this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap . the intensity and the phase of the external field can affect spontaneous emission from the atom . the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field
    文摘:討論了在雙光子驅動場作用下,三能級原子在光子晶體中的自發發射問題.由于量子干涉和光的局域化作用,兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質,這不僅依賴于兩個上能級與禁帶的相對位置,同時也依賴于原子的初始狀態,而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同,也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  • Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum . it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state
    由于光子晶體具有不同于真空中的光子態密度,原子和光子帶隙材料便發生相互作用,這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。
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