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Quantum Physics Aug 28, 2025

A low-cost protocol enables preparation of magic states and fault-tolerant universal quantum computation

Quantum computers, systems that perform computations leveraging quantum mechanical effects, could outperform classical computers in some optimization and information processing tasks. As these systems are highly influenced ...

Quantum Physics Aug 25, 2025

How to build larger, more reliable quantum computers, even with imperfect links between chips

While quantum computers are already being used for research in chemistry, material science, and data security, most are still too small to be useful for large-scale applications. A study led by researchers at the University ...

Quantum Physics Aug 22, 2025

Two quantum computers with 20 qubits manage to simulate information scrambling

Four RIKEN researchers have used two small quantum computers to simulate quantum information scrambling, an important quantum-information process. This achievement illustrates a potential application of future quantum computers. ...

Quantum Physics Aug 21, 2025

'Rosetta stone' of code allows scientists to run core quantum computing operations

To build a large-scale quantum computer that works, scientists and engineers need to overcome the spontaneous errors that quantum bits, or qubits, create as they operate.

Quantum Physics Aug 5, 2025

Discarded particles dubbed 'neglectons' may unlock universal quantum computing

Quantum computers have the potential to solve problems far beyond the reach of today's fastest supercomputers. But today's machines are notoriously fragile. The quantum bits, or "qubits," that store and process information ...

Quantum Physics Jul 22, 2025

Gold clusters mimic atomic spin properties for scalable quantum computing applications

The efficiency of quantum computers, sensors and other applications often relies on the properties of electrons, including how they are spinning. One of the most accurate systems for high-performance quantum applications ...

Quantum Physics Jul 15, 2025

New research connects quantum computing power to the security of cryptographic systems

Experts say quantum computing is the future of computers. Unlike conventional computers, quantum computers leverage the properties of quantum physics such as superposition and interference, theoretically outperforming current ...

Optics & Photonics Jul 14, 2025

New technique using Raman scattering can dramatically improve laser linewidth for better quantum computing

Macquarie University researchers have demonstrated a technique to dramatically narrow the linewidth of a laser beam by a factor of over ten thousand—a discovery that could revolutionize quantum computing, atomic clocks and ...

Quantum Physics Jul 9, 2025

Researchers discover more efficient way to route information in quantum computers

Quantum computers have the potential to revolutionize computing by solving complex problems that stump even today's fastest machines. Scientists are exploring whether quantum computers could one day help streamline global ...

Quantum Physics Jul 4, 2025

Improving randomness may be the key to more powerful quantum computers

Understanding randomness is crucial in many fields. From computer science and engineering to cryptography and weather forecasting, studying and interpreting randomness helps us simulate real-world phenomena, design algorithms ...

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