Seonglae ChoSommerfeld constant
무차원 상수이기에 단위계에 의존적인 다른 상수들에 비해 보다 근본적인 자연의 성질을 나타낸다고 생각되기도 해 미세구조상수에 매료된 물리학자들이 많았다
Fine-structure constant
In physics, the fine-structure constant, also known as the Sommerfeld constant, commonly denoted by α, is a fundamental physical constant which quantifies the strength of the electromagnetic interaction between elementary charged particles.
https://en.wikipedia.org/wiki/Fine-structure_constant
