This corresponded to a phonon amplification effect.The mechanism of generating the phonon amplification was discussed. 详细讨论了产生这种声子增益效应的机理,给出了产生声子增益的时间间隔。
The probability of obtaining a lattice atom displacement via the phonon kick process is evidently small. 很明显,通过声子反冲过程而取得晶格原子位移的几率是不大的。