Quantum Computing News

November 29, 2023

Top Headlines

Nextgen Computing: Hard-to-Move Quasiparticles Glide Up Pyramid Edges

Nov. 28, 2023 — A new kind of 'wire' for moving excitons could help enable a new class of devices, perhaps including room temperature quantum ...

'Strange Metal' Is Strangely Quiet in Noise Experiment

Nov. 23, 2023 — Experiments have provided the first direct evidence that electricity seems to flow through 'strange metals' in an unusual liquid-like ...

Research Reveals Rare Metal Could Offer Revolutionary Switch for Future Quantum Devices

Nov. 20, 2023 — Quantum scientists have discovered a rare phenomenon that could hold the key to creating a 'perfect switch' in quantum devices which flips between being an insulator and ...

Three-Pronged Approach Discerns Qualities of Quantum Spin Liquids

Nov. 17, 2023 — In 1973, physicist Phil Anderson hypothesized that the quantum spin liquid, or QSL, state existed on some triangular lattices, but he lacked the tools to delve deeper. Fifty years later, a team has confirmed the presence of QSL behavior in a new ...

Latest Headlines

updated 11:06pm EST

Keep It Secret: Cloud Data Storage Security Approach Taps Quantum Physics

Nov. 14, 2023 — Distributed cloud storage is a hot topic for security researchers, and a team is now merging quantum physics with mature cryptography and storage techniques to achieve a cost-effective cloud storage ...

Scientists Use Quantum Biology, AI to Sharpen Genome Editing Tool

Nov. 9, 2023 — Scientists used their expertise in quantum biology, artificial intelligence and bioengineering to improve how CRISPR Cas9 genome editing tools work on organisms like microbes that can be modified to ...

Atomic Dance Gives Rise to a Magnet

Nov. 9, 2023 — Researchers turned a paramagnetic material into a magnet by manipulating electrons' spin via atomic ...

What a '2D' Quantum Superfluid Feels Like to the Touch

Nov. 2, 2023 — Researchers have discovered how superfluid helium 3He would feel if you could put your hand into it. The interface between the exotic world of quantum physics and classical physics of the human ...

Optical-Fiber Based Single-Photon Light Source at Room Temperature for Next-Generation Quantum Processing

Nov. 2, 2023 — Single-photon emitters quantum mechanically connect quantum bits (or qubits) between nodes in quantum networks. They are typically made by embedding ...

Vacuum in Optical Cavity Can Change Material's Magnetic State Without Laser Excitation

Nov. 3, 2023 — Researchers in Germany and the USA have produced the first theoretical demonstration that the magnetic state of an atomically thin ...

Late Not Great -- Imperfect Timekeeping Places Significant Limit on Quantum Computers

Oct. 30, 2023 — Quantum physicists show that imperfect timekeeping places a fundamental limit to quantum computers and their applications. The team claims that even ...

Major Milestone Achieved in New Quantum Computing Architecture

Oct. 26, 2023 — Researchers report a significant advance in quantum computing. They have prolonged the coherence time of their single-electron qubit to an impressive 0.1 milliseconds, nearly a thousand-fold ...

Physicists Simulate Interacting Quasiparticles in Ultracold Quantum Gas

Oct. 26, 2023 — In physics, quasiparticles are used to describe complex processes in solids. In ultracold quantum gases, these quasiparticles can be reproduced and studied. Now scientists have been able to observe ...

A Superatomic Semiconductor Sets a Speed Record

Oct. 26, 2023 — The search is on for better semiconductors. A team of chemists describes the fastest and most efficient semiconductor yet: a superatomic material called ...

Earlier Headlines

Summaries
Headlines

Controlling Waves in Magnets With Superconductors for the First Time

Oct. 26, 2023 — Quantum physicists have shown that it's possible to control and manipulate spin waves on a chip using superconductors for the first time. These tiny waves in magnets may offer an alternative to ...

Conduction Electrons Drive Giant, Nonlinear Elastic Response in Sr2RuO4

Oct. 26, 2023 — The hardness of a material normally is set by the strength of chemical bonds between electrons of neighboring atoms, not by freely flowing conduction electrons. Now a team of scientists has shown ...

Using Sound to Test Devices, Control Qubits

Oct. 25, 2023 — Researchers have developed a system that uses atomic vacancies in silicon carbide to measure the stability and quality of acoustic resonators. What's more, these vacancies could also be used for ...

How Quantum Light 'Sees' Quantum Sound

Oct. 24, 2023 — Researchers have proposed a new way of using quantum light to 'see' quantum sound. A new paper reveals the quantum-mechanical interplay between vibrations and particles of light, known as ...

Researchers Demonstrate a High-Speed Electrical Readout Method for Graphene Nanodevices

Oct. 20, 2023 — Graphene is often referred to as a wonder material for its advantageous qualities. But its application in quantum computers, while promising, is stymied by the challenge of getting accurate ...

A Miniature Magnetic Resonance Imager Made of Diamond

Oct. 19, 2023 — The development of tumors begins with miniscule changes within the body's cells; ion diffusion at the smallest scales is decisive in the performance of batteries. Until now the resolution of ...

Electrical Control of Quantum Phenomenon Could Improve Future Electronic Devices

Oct. 19, 2023 — A new electrical method to conveniently change the direction of electron flow in some quantum materials could have implications for the development of next-generation electronic devices and quantum ...

Physicists Create New Form of Antenna for Radio Waves

Oct. 17, 2023 — Physicists have used a small glass bulb containing an atomic vapor to demonstrate a new form of antenna for radio waves. The bulb was 'wired up' with laser beams and could therefore be ...

Simulations of 'Backwards Time Travel' Can Improve Scientific Experiments

Oct. 12, 2023 — Physicists have shown that simulating models of hypothetical time travel can solve experimental problems that appear impossible to solve using standard ...

Ionic Crystal Generates Molecular Ions Upon Positron Irradiation, Finds New Study

Oct. 10, 2023 — The interaction between solid matter and positron (the antiparticle of electron) has provided important insights across a variety of disciplines, including atomic physics, materials science, ...

Twisted Science: New Quantum Ruler to Explore Exotic Matter

Oct. 5, 2023 — Researchers have developed a 'quantum ruler' to measure and explore the strange properties of multilayered sheets of graphene, a form of carbon. The work may also lead to a new, ...

Machine Learning Used to Probe the Building Blocks of Shapes

Oct. 4, 2023 — Applying machine learning to find the properties of atomic pieces of geometry shows how AI has the power to accelerate discoveries in ...

Powering the Quantum Revolution: Quantum Engines on the Horizon

Sep. 27, 2023 — Scientists unveil exciting possibilities for the development of highly efficient quantum ...

Shh! Quiet Cables Set to Help Reveal Rare Physics Events

Sep. 21, 2023 — Newly developed ultra-low radiation cables reduce background noise for neutrino and dark matter ...

Researchers Detail How Disorder Alters Quantum Spin Liquids, Forming a New Phase of Matter

Sep. 12, 2023 — Physicists begin to shed light on one of the most important questions regarding quantum spin liquids, and they do so by introducing a new phase of ...

Researchers Make a Significant Step Towards Reliably Processing Quantum Information

Sep. 11, 2023 — Using laser light, researchers have developed the most robust method currently known to control individual qubits made of the chemical element barium. The ability to reliably control a qubit is an ...

Valleytronics: Innovative Way to Store and Process Information Up to Room Temperature

Sep. 8, 2023 — Researchers have found a way to maintain valley polarization at room temperature using novel materials and ...

Machine Learning Contributes to Better Quantum Error Correction

Sep. 7, 2023 — Researchers have used machine learning to perform error correction for quantum computers -- a crucial step for making these devices practical -- using an autonomous correction system that despite ...

Deriving the Fundamental Limit of Heat Current in Quantum Mechanical Many-Particle Systems

Sep. 5, 2023 — Researchers have mathematically derived the fundamental limit of heat current flowing into a quantum system comprising numerous quantum mechanical particles in relation to the particle count. ...

Atomically-Precise Quantum Antidots Via Vacancy Self-Assembly

Sep. 5, 2023 — Scientists demonstrated a conceptual breakthrough by fabricating atomically precise quantum antidots using self-assembled single vacancies in a two-dimensional transition metal ...

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