The National Institute of Information and Communications Technology (NICT) has successfully demonstrated entanglement swapping (one of the key quantum communication protocols) using sum-frequency ...

Just over 200 years after French engineer and physicist Sadi Carnot formulated the second law of thermodynamics, an international team of researchers has unveiled an analogous law for the quantum ...

Recent physics studies have discovered that quarks and gluons inside protons, which are subatomic positively charged particles, exhibit maximal quantum entanglement at high energies. Entanglement is a ...

Physicists developed simplified formulas to quantify quantum entanglement in strongly correlated electron systems. Their approach was applied to nanoscale materials, revealing unexpected quantum ...

Quantum entanglement, an inextricable link between particles, is an important resource for quantum computing and communication – and in some cases, it may also be a resource that can be shared nearly ...