So he sat down -- and I imagine he had nothing more than a simple piece of paper and a pencil -- and he tried to write down, and did write down, the simplest function that he could think of which had the boundary conditions that the wave function vanish when things touch and is smooth in between.
彼は座って 紙と鉛筆だけを 手にとって 衝突時に波動関数が消滅して なおかつ 中間の波動関数が滑らかになるという 境界条件を満たす 一番簡潔な波動関数を 書き出しました