略語大辞典 [Phys] 33 ATI above threshold ionization しきい値上イオン化(電離). レーザー光の強い光電場と原子との非摂動論的非線型相互作用による現象.above threshold ionization; of atoms excited by an intense laser light; has reference to the fact that strong-field photoionization can take place with the contribution of many photon orders above and i 丸善「略語大辞典」JLogosID : 11864663