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Quantum Speedup

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Quantum Computing Breakthrough Promises 100-Fold Error Reduction
technology4 months ago

Quantum Computing Breakthrough Promises 100-Fold Error Reduction

Researchers have developed a new method called algorithmic fault tolerance (AFT) that can speed up quantum error correction by up to 100 times, potentially enabling quantum computers to solve complex problems much faster and bringing practical, large-scale quantum computing closer to reality, especially using neutral-atom systems.

Study shows quantum computers excel at guessing.
quantum-computing2 years ago

Study shows quantum computers excel at guessing.

Researchers at USC and IBM Quantum have achieved a quantum speedup advantage in a bitstring guessing game by suppressing errors typically seen at this scale using a noise suppression technique called dynamical decoupling. The quantum algorithm functioned as intended, and the time to solve problems grew more slowly than with any classical computer, with the quantum advantage becoming increasingly evident as the problems became more complex. The study conclusively demonstrates that with proper error control, quantum computers can execute complete algorithms with better scaling of the time it takes to find the solution than conventional computers, even in the NISQ era.