Coherence in quantum dynamics is at the heart of fascinating phenomena beyond the realm of classical physics, such as quantum interference effects, entanglement production and geometric phases.

Topology, which is a branch of mathematics, is rising as a universal notion in physics, from condensed matter physics to classical wave systems. Topology has been received particularly warmly in ...

A new state of matter, called quantum spin liquid, produces long-range quantum entanglement which might help make quantum computers. They could enable topological qubits. Bill Gates and Microsoft have ...