Tristan is a U.S-based science and technology journalist. He covers artificial intelligence (AI), theoretical physics, and cutting-edge technology stories. His work has been published in numerous outlets including Mother Jones, The Stack, The Next Web, and Undark Magazine.
Scientists hit quantum computer error rate of 0.000015% — a world record achievement that could lead to smaller and faster machinesScientists use quantum machine learning to create semiconductors for the first time – and it could transform how chips are madePhysics & Mathematics Scientists at Caltech have conducted a record-breaking experiment in which they synchronized 6,100 atoms in a quantum array.
This research could lead to more robust, fault-tolerant quantum computers. in a system and held them in a state of “superposition” to conduct quantum computations. To achieve this, the scientists split a laser beam into 12,000"laser tweezers" which together held the 6,100 qubits., the scientists not only set a new record for the number of atomic qubits placed in a single array — they also extended the length of"superposition" coherency. This is the amount of time an atom is available for computations or error-checking in a quantum computer — and they boosted that duration from just a few seconds to 12.6. Scientists hit quantum computer error rate of 0.000015% — a world record achievement that could lead to smaller and faster machines, the scientists said in the study. They added that this research represents a key milestone in developing quantum computers that use neutral-atom architecture. This type of qubit is advantageous because it can operate at room temperature. The most common type of qubits, made from superconducting metals, needs expensive and cumbersome equipment to cool the system down to temperatures close tothat the development of useful quantum computers will demand systems with millions of qubits. This is because each functional qubit needs several Qubits are inherently"noisy," and tend to decohere easily when faced with external factors. As data is transferred through a quantum circuit, this decoherence distorts it, making the data potentially unusable. To counteract this noise, scientists must develop fault-tolerance techniques in tandem with methods for qubit expansion. It's the reason a huge amount of research has so far gone intoGet the world’s most fascinating discoveries delivered straight to your inbox.Receive email from us on behalf of our trusted partners or sponsors Many of today’s systems are considered functional, but most wouldn’t meet a minimum threshold for usefulness relative to a supercomputer. Quantum computers built byBut this advantage has been largely limited to bespoke computational problems designed to showcase the capabilities of a specific architecture — not practical problems. Scientists hope that quantum computers will become more useful as they scale in size and as the errors that occur in qubits are managed better.More notable than the sheer size of the qubit array are the techniques used to make the system scalable, the researchers said in the study. They fine-tuned previous efforts to make approximately 10-fold improvements in key areas such as coherence, superposition and the size of the array. Compared to previous efforts, they scaled from hundreds of qubits in a single array to more than 6,000 while maintaining 99.98% accuracy. Scientists invent quantum computing virtual machines — they'll slash turnaround times from days to hours They also showed off a new technique for"shuttling" the array by moving the atoms hundreds of micrometers across the array without losing superposition. It’s possible that, with further development, the use of shuttling could provide a new dimension of instant error-correction, they said. The team's next steps involve linking the atoms together within the array through a state of quantum mechanics called entanglement, which would lead to full quantum computations. Scientists hope to exploit entanglement to develop stronger fault-tolerance methods with even more accurate error-correction, they added. These techniques could prove crucial to achieving the next milestone on the road to useful, fault-tolerant quantum computers.His work has been published in numerous outlets including Mother Jones, The Stack, The Next Web, and Undark Magazine. Prior to journalism, Tristan served in the US Navy for 10 years as a programmer and engineer. When he isn’t writing, he enjoys gaming with his wife and studying military history.Scientists hit quantum computer error rate of 0.000015% — a world record achievement that could lead to smaller and faster machines
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