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Quantum Processors

All articles tagged with #quantum processors

technology3 months ago•7 min saved

IBM Advances Quantum Computing with New Processors and Milestones

IBM announced significant advancements in quantum computing, including the upcoming IBM Quantum Nighthawk processor with 120 qubits designed for quantum advantage, and the IBM Quantum Loon demonstrating key components for fault-tolerant quantum computing. They also introduced new software capabilities with Qiskit, improved error correction, and scaled fabrication to 300mm wafers, all aiming toward achieving quantum advantage by 2026 and fault-tolerance by 2029.

via IBM Newsroom|

#fault-tolerance #ibm #quantum-advantage

science-and-technology1 year ago•3 min saved

Quantum Computer Becomes a Time Crystal

Physicists have successfully transformed a quantum processor into a time crystal, a state of matter that could enhance the practicality of quantum computing by reducing errors. Time crystals, which exhibit periodic motion without external influence, were proposed by Frank Wilczek in 2012. This breakthrough, achieved by a team from China and the US, demonstrates the potential of using topological time crystals to maintain stability in quantum systems, even amidst environmental noise. The research, published in Nature Communications, marks a significant step towards more reliable quantum computing.

via ScienceAlert|

#error-reduction #physics #quantum-computing

physics2 years ago•3 min saved

"Breakthrough Achievement: Optical-Lattice Quantum Computer Reaches Major Physics Milestone"

Researchers at the University of Science and Technology of China have achieved a milestone in optical-lattice-based quantum processing by successfully entangling groups of eight and ten ultracold atoms. This breakthrough demonstrates the scalability and reliability of using ultracold atoms trapped in an optical lattice for quantum computations. The team also demonstrated control and imaging of the states of the atoms with single-atom resolution, a crucial requirement for quantum computers.

via Physics|

#entanglement #optical-lattice #physics

quantum-computing2 years ago•5 min saved

Tantalum's Potential for Quantum Processor Improvement.

Researchers from the Center for Functional Nanomaterials, the National Synchrotron Light Source II, the Co-design Center for Quantum Advantage, and Princeton University have decoded the chemical profile of tantalum to understand why superconducting qubits made with tantalum perform better than those made with niobium and aluminum. They found that the thickness and chemical nature of the tantalum oxide layer on the surface of tantalum played a role in determining the qubit coherence. The study's results will provide key knowledge for designing even better qubits in the future.

via Phys.org|

#coherence-time #quantum-computing #quantum-processors

quantum-computing2 years ago•8 min saved

Quantum Computer Discovers Particle with Memory of Its Past

Physicists are using quantum processors to create non-abelian anyons, elusive particles that could serve as the foundation for topological quantum computing. These particles have shared memory that can be manipulated by braiding, making them ideal qubits. Quantum processors are also being used to simulate and correct errors in shoddy qubits, extending the lifespan of anyons. Theorists are also working on creating a more complicated phase of quantum matter where true non-abelian anyons arise natively in a pristine phase of matter.

via Quanta Magazine|

#non-abelian-anyons #quantum-computing #quantum-error-correction