In a study, physicists now observed a class of quantum particles called fractional excitons, which behave in unexpected ways and could significantly expand scientists' understanding of the quantum ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers at Brown University in the US have observed fractional excitons, a new class of quantum materials in a global first.

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

These novel fractional excitons exhibit the fractional quantum Hall effect, where “electrons interact with them so strongly that they actually split into fractional charge particles,” Associate ...

PROVIDENCE, R.I. [Brown University] — Amid the many mysteries of quantum physics, subatomic particles don’t always follow the rules of the physical world. They can exist in two places at once, pass ...