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Search results for quantum entanglement

Optics & Photonics Oct 1, 2025

Parallel atom-photon entanglement paves way for future quantum networking

A new platform developed by Illinois Grainger engineers demonstrates the utility of a ytterbium-171 atom array in quantum networking. Their work represents a key step toward long-distance quantum communication.

Condensed Matter Oct 1, 2025

Extreme pressure pushes honeycomb crystal toward quantum spin liquid, hinting at new qubit designs

The future of computing lies in the surprising world of quantum physics, where the rules are much different from the ones that power today's devices. Quantum computers promise to tackle problems too complex for even the fastest ...

Quantum Âé¶¹ÒùÔºics Sep 30, 2025

Scientists finally prove that a quantum computer can unconditionally outperform classical computers

A quantum computer has demonstrated that it can solve a problem more efficiently than a conventional computer. This achievement comes from being able to unlock a vast memory resource that classical computing cannot match.

Quantum Âé¶¹ÒùÔºics Sep 28, 2025

Âé¶¹ÒùÔºicists demonstrate 3,000 quantum-bit system capable of continuous operation

One often-repeated example illustrates the mind-boggling potential of quantum computing: A machine with 300 quantum bits could simultaneously store more information than the number of particles in the known universe.

Optics & Photonics Sep 25, 2025

Proven quantum advantage: Researchers cut the time for a learning task from 20 million years to 15 minutes

Amid high expectations for quantum technology, a new paper in Science reports a proven quantum advantage. In an experiment, entangled light has allowed researchers to learn a system's noise with very few measurements.

General Âé¶¹ÒùÔºics Sep 24, 2025

Information could be a fundamental part of the universe, and may explain dark energy and dark matter

For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the bending of space and time.

Quantum Âé¶¹ÒùÔºics Sep 24, 2025

Âé¶¹ÒùÔºicists set record with 6,100-qubit array

Quantum computers will need large numbers of qubits to tackle challenging problems in physics, chemistry, and beyond. Unlike classical bits, qubits can exist in two states at once—a phenomenon called superposition. This ...

Optics & Photonics Sep 24, 2025

Routing photonic entanglement toward a quantum internet

Imagine the benefits if the entire internet got a game-changing upgrade to speed and security. This is the promise of the quantum internet—an advanced system that uses single photons to operate. Researchers at Tohoku University ...

Quantum Âé¶¹ÒùÔºics Sep 23, 2025

Device-independent method certifies genuinely entangled subspaces in photonic and superconducting systems

In a study published in Reports on Progress in Âé¶¹ÒùÔºics, researchers have achieved device-independent characterization of genuinely entangled subspaces (GESs) in both optical and superconducting quantum systems, completing ...

Quantum Âé¶¹ÒùÔºics Sep 23, 2025

New tensor network-based approach could advance simulation of quantum many-body systems

The quantum many body problem has been at the heart of much of theoretical and experimental physics over the past few decades. Even though we have understood the fundamental laws that govern the behavior of elementary particles ...

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