perturbatively

In a perturbative manner / With regard to perturbation

Japanese Meaning

摂動論的に / 摂動理論の枠組みを用いた方法で

We can compute the scattering amplitude perturbatively, expanding in powers of the coupling constant.

散乱振幅は摂動的に計算でき、結合定数の冪で展開します。

Sense（1）

In a perturbative manner

Sense（2）

With regard to perturbation

more perturbatively

（ comparative ）

most perturbatively

（ superlative ）