For the first time, physicists have watched a beam of positronium, a short‑lived atom made of an electron and its antimatter ...

Electrons are usually described as particles, but in a rare quantum material, that picture completely breaks down ...

Scientists developed a theory linking mobile and static behaviors of a particle in a Fermi sea, explaining quasiparticles and ...

A 2020 satellite photo shows the immense power of 7-story waves crashing along the Portuguese coast. Later the same day, a ...

“Positronium is the simplest atom composed of equal-mass constituents, and until it self-annihilates, it behaves as a neutral ...

First experimental observation of matter-wave diffraction in a short-lived electronpositron atom using a graphene-based ...

“Positronium is the simplest atom composed of equal-mass constituents, and until it self-annihilates, it behaves as a neutral ...

For the first time, researchers from Tokyo University of Science have observed wave-like interference patterns from ...

Scientists have discovered a new quantum state of matter that connects two significant areas of physics, potentially leading ...

Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how ...

A new study, co-led by Rice University’s Qimiao Si, brings these two together and discovered a new quantum state of matter.

Physicists have long relied on the idea that electrons behave like tiny particles zipping through materials, even though ...