Quantum Computing News

July 26, 2024

Top Headlines

'Kink State' Control May Provide Pathway to Quantum Electronics

July 25, 2024 — The key to developing quantum electronics may have a few kinks. According to researchers, that's not a bad thing when it comes to the precise control needed to fabricate and operate such devices, including advanced sensors and lasers. The ...

Quantum Sensor for the Atomic World

July 25, 2024 — In a scientific breakthrough, an international research team has developed a quantum sensor capable of detecting minute magnetic fields at the atomic length scale. This pioneering work realizes a long-held dream of scientists: an MRI-like tool for ...

Spin Qubits Go Trampolining

July 25, 2024 — Researchers have developed somersaulting spin qubits for universal quantum logic. This achievement may enable efficient control of large semiconductor qubit arrays. The research group recently published their demonstration of hopping spins and ...

Paving the Way to Extremely Fast, Compact Computer Memory

July 17, 2024 — Researchers have demonstrated that the layered multiferroic material nickel iodide (NiI2) may be the best candidate yet for devices such as magnetic computer memory that are extremely fast and compact. Specifically, they found that NiI2 has greater ...

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Physicists Develop New Theory Describing the Energy Landscape Formed When Quantum Particles Gather Together

July 17, 2024 — An international team of physicists has proven new theorems in quantum mechanics that describe the 'energy landscapes' of collections of quantum ...

A Breakthrough on the Edge: One Step Closer to Topological Quantum Computing

July 10, 2024 — Researchers have achieved a significant breakthrough in quantum materials, potentially setting the stage for advancements in topological ...

Moving from the Visible to the Infrared: Developing High Quality Nanocrystals

July 9, 2024 — Awarded the 2023 Nobel Prize in Chemistry, quantum dots have a wide variety of applications ranging from displays and LED lights to chemical reaction ...

A Genetic Algorithm for Phononic Crystals

July 3, 2024 — Researchers tested phononic nanomaterials designed with an automated genetic algorithm that responded to light pulses with controlled vibrations. This work may help in the development of ...

A 2D Device for Quantum Cooling

July 5, 2024 — Engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to ...

Giant Clams May Hold the Answers to Making Solar Energy More Efficient

July 2, 2024 — Solar panel and biorefinery designers could learn a thing or two from iridescent giant clams living near tropical coral reefs, according to a new study. This is because giant clams have precise ...

Neutrons on Classically Inexplicable Paths

July 2, 2024 — Is nature really as strange as quantum theory says -- or are there simpler explanations? New neutron measurements prove: It doesn't work without the strange properties of quantum ...

Visual Explanations of Machine Learning Models to Estimate Charge States in Quantum Dots

June 27, 2024 — To form qubit states in semiconductor materials, it requires tuning for numerous parameters. But as the number of qubits increases, the amount of ...

Characterization of the Extraordinary Thermoelectric Properties of Cadmium Arsenide Thin Films

June 27, 2024 — If there's one thing we humans are good at, it's producing heat. Significant amounts, and in many cases most of the energy we generate and put into ...

Understanding Quantum States: New Research Shows Importance of Precise Topography in Solid Neon Qubits

June 26, 2024 — A new study shows new insight into the quantum state that describes the condition of electrons on an electron-on-solid-neon quantum bit, information ...

A Chip-Scale Titanium-Sapphire Laser

June 26, 2024 — With a single leap from tabletop to the microscale, engineers have produced the world's first practical Titanium-sapphire laser on a chip, democratizing a once-exclusive ...

Precision Instrument Bolsters Efforts to Find Elusive Dark Energy

June 26, 2024 — Dark energy -- a mysterious force pushing the universe apart at an ever-increasing rate -- was discovered 26 years ago, and ever since, scientists have been searching for a new and exotic particle ...

Researchers Discover New Flat Electronic Bands, Paving Way for Advanced Quantum Materials

June 25, 2024 — Scientists predict the existence of flat electronic bands at the Fermi level, a finding that could enable new forms of quantum computing and electronic ...

Breakthrough May Clear Major Hurdle for Quantum Computers

June 18, 2024 — The potential of quantum computers is currently thwarted by a trade-off problem. Quantum systems that can carry out complex operations are less tolerant to errors and noise, while systems that are ...

New Material Puts Eco-Friendly Methanol Conversion Within Reach

June 17, 2024 — Researchers have developed innovative, eco-friendly quantum materials that can drive the transformation of methanol into ethylene glycol. This discovery opens up new possibilities for using ...

Quantum Entanglement Measures Earth Rotation

June 14, 2024 — Researchers carried out a pioneering experiment where they measured the effect of the rotation of Earth on quantum entangled photons. The work represents a significant achievement that pushes the ...

A Liquid Crystal Source of Photon Pairs

June 14, 2024 — Spontaneous parametric down-conversion (SPDC), as a source of entangled photons, is of great interest for quantum physics and quantum technology, but so far it could be only implemented in solids. ...

Quantum Data Assimilation: A Quantum Leap in Weather Prediction

June 13, 2024 — Data assimilation is an important mathematical discipline in earth sciences, particularly in numerical weather prediction (NWP). However, conventional data assimilation methods require significant ...

Quantum Dots and Metasurfaces: Deep Connections in the Nano World

June 12, 2024 — A team has developed printable, highly efficient light-emitting ...

New Technique Could Help Build Quantum Computers of the Future

June 11, 2024 — Researchers have demonstrated a new method that could enable the large-scale manufacturing of optical qubits. The advance could bring us closer to a scalable quantum ...

Switching Nanomagnets Using Infrared Lasers

June 11, 2024 — Physicists have calculated how suitable molecules can be stimulated by infrared light pulses to form tiny magnetic fields. If this is also successful in experiments, the principle could be used in ...

Perturbations Simplify the Study of 'Super Photons'

June 7, 2024 — Thousands of particles of light can merge into a type of 'super photon' under suitable conditions. Physicists call such a state a photon Bose-Einstein condensate. Researchers have now shown ...

Novel Diamond Quantum Magnetometer for Ambient Condition Magnetoencephalography

June 6, 2024 — A highly sensitive diamond quantum magnetometer utilizing nitrogen-vacancy centers can achieve millimeter-scale resolution magnetoencephalography (MEG). The novel magnetometer, based on ...

Enhancing Superconductivity of Graphene-Calcium Superconductors

June 5, 2024 — Researchers experimentally investigate the impact of introducing high-density calcium on the superconductivity of calcium-intercalated bilayer ...

Groundbreaking Progress in Quantum Physics: How Quantum Field Theories Decay and Fission

June 3, 2024 — An international research team has sparked interest in the scientific community with results in quantum physics. In their current study, the researchers reinterpret the Higgs mechanism, which gives ...

The Coldest Lab in New York Has New Quantum Offering

June 3, 2024 — Physicists describe the successful creation of a molecular Bose-Einstein condensate (BEC). Made up of dipolar sodium-cesium molecules that were cooled with the help of microwave shielding to just 5 ...

The Thinnest Lens on Earth, Enabled by Excitons

May 30, 2024 — Lenses are used to bend and focus light. Normal lenses rely on their curved shape to achieve this effect, but physicists have made a flat lens of only three atoms thick which relies on quantum ...

Theoretical Quantum Speedup With the Quantum Approximate Optimization Algorithm

May 29, 2024 — Researchers demonstrated a quantum algorithmic speedup with the quantum approximate optimization algorithm, laying the groundwork for advancements in telecommunications, financial modeling, materials ...

Study Is Step Towards Energy-Efficient Quantum Computing in Magnets

May 29, 2024 — Researchers have managed to generate propagating spin waves at the nanoscale and discovered a novel pathway to modulate and amplify them. Their discovery could pave the way for the development of ...

How a Tiny Device Could Lead to Big Physics Discoveries and Better Lasers

May 28, 2024 — Researchers have fabricated a device no wider than a human hair that will help physicists investigate the fundamental nature of matter and light. Their findings could also support the development of ...