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Triple Qubit Entanglement Achieved

(Image credit: Shutterstock)

Researchers with the Riken Center for Emergent Matter Science in Japan have demonstrated a triple-qubit, silicon-based quantum computing mechanism - opening up the road for increased scalability beyond a mere increment in total qubits on a given system. Previously, qubits had only been shown working in entangled pairs -- and this research demonstrates that entanglement (and thus computation) can actually be divided between three qubits.

Quantum computing rests atop qubits - the quantum equivalent of the modern transistor. But while typical transistors can only represent one value at any point in time (with that value being either zero or one), qubits benefit from the superposition mechanic of quantum physics, meaning that they can represent both states at the same time.

Until now, quantum computing systems worked by entangling two distinct qubits, which allowed them work in tandem in solving any complex workload (entanglement meaning that the qubits perfectly mirror each other, and any changes to one qubit's state are instantly replicated in the other). 

If you think of each qubit as a single core, the research now increases the maximum amount of qubits ("cores") that can work in synchrony to be three, from its previous two-qubit maximum. Theoretically, you can now build multiple triple-core quantum computing subdivisions, instead of dual-core ones.  READ MORE