free-atom 中文意思是什麼
free-atom
解釋
自由原子-
We considered the propagation of the atom laser beam during the interacting with bec, the propagation with the trap on and the free propagation with the trap off which potential can be separated by x and y
對于某一方向上品質因子守恆的情況，可以通過解析某一方向品質因子守恆的充要方程，找到原子激光的abcd形式的傳播子。 -
Within 100 microns of the chip surface, the field forms the magnetic trap that suspends the atom cloud in free space
在晶片表面100微米以內，磁場構成了磁阱，可以將原子云托在半空中。 -
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
由於光子晶體具有不同於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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