The fine-structure constant is 10 times its normal value in the material, giving a peek into what physics in an alternate universe could look like.

For several decades, a central puzzle in quantum physics has remained unsolved: Could electrons behave like a perfect, ...

The so-called fine-structure constant may have different values in different parts of the universe.

In quantum electrodynamics, it is the coupling constant that determines the strength of interactions between electrons and photons. What remains undisputed, however, is its centrality to physics, and ...

For nearly half a century, theoretical physicists have made a series of discoveries that certain constants in fundamental physics seem extraordinarily fine-tuned to allow for the emergence of a ...

In physics, the Fine Structure Constant is one the strangest numbers.

These subshells are the fine structure the constant refers to. Each subshell is spaced a bit apart from the adjacent subshells in the same main shell. How far apart?

A highly precise measurement of a physical constant known as the fine-structure constant provides a stringent test of the standard model of particle physics, and sets strong limits on the ...

One of physics’ most fundamental constants just got a little more constant. Physicists have placed the strictest limit yet on how much the fine structure constant — which determines how ...