Researchers have identified the border between quantum physics and some as-yet-unknown post-quantum realm by mathematically ...

On the Application of the Quantum Theory to Atomic Structure. By Niels Bohr. Part 1: The Fundamental Postulates of the Quantum Theory. (Proceedings of the Cambridge Philosophical Society ...

It was a product of what is now labelled the old quantum theory — a period of ad ... no one could arrive at a model that achieved atomic stability and explained features such as the distinct ...

Quantum physics just took a leap from theory to reality! Empa researchers have, for the first time, successfully built a long ...

For the first time, theoretical physicists from the Institute of Theoretical Physics (IPhT) in Paris-Saclay have completely ...

Quantum technologies operate by leveraging various quantum mechanical effects, including entanglement. Entanglement occurs ...

In a discovery that brings a legendary quantum theory to life, physicists at Princeton University have directly observed ...

Devised in 1935 by the Austrian physicist Erwin Schrödinger, this thought experiment was designed to shine a spotlight on the difficulty with interpreting quantum theory. Quantum theory is very ...

Quantum dots are tiny, man-made structures often called “artificial atoms” because they can trap and control electrons in ...

Experiments and theory also tackle ... precise that a new generation of atomic clocks can be envisioned, whose accuracy approaches 1 second in the lifetime of the universe. This is the age of ...

Atomic nuclei exhibit multiple energy ... but tying these phenomena closer to the fundamental theory of the strong nuclear force, quantum chromodynamics, has been a significant challenge.