Two atoms inflated to an almost comical size and cooled to a fraction above absolute zero have been used to generate a robust, insanely fast two-qubit quantum gate that could help overcome some of quantum computing's persistent challenges.
, this breakthrough has huge implications. It could lead to a new type of quantum computer architecture that breaks through current limitations for noise-free quantum operations.
What makes quantum computing so much more powerful is that qubits can be both simultaneously, as a state known as a quantum superposition. On its own, a qubit isn't much of a computer. Combined with the superpositions of other qubits, however, they can represent some seriously powerful algorithms. To take a tilt at this goal using a slightly different approach to usual, a team of researchers led by physicist Yeelai Chew of the National Institutes of Natural Sciences in Japan turned to a complicated setup.
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