Optimizing continuous-variable functions with quantum annealing
Quantum annealing (QA) is a cutting-edge algorithm that leverages the unique properties of quantum computing to tackle complex combinatorial optimization problems (a class of mathematical problems dealing with discrete-variable functions)......»»
Zero-field NMR spectroscopy measures quadrupolar nuclei for the first time
Researchers at Mainz University and the University of California, Berkeley, have achieved a breakthrough in zero-field nuclear magnetic resonance spectroscopy, paving the way towards benchmarking quantum chemistry calculations......»»
Researchers demonstrate how to build "time-traveling" quantum sensors
The idea of time travel has dazzled sci-fi enthusiasts for years. Science tells us that traveling to the future is technically feasible, at least if you're willing to go near the speed of light, but going back in time is a no-go. But what if scientis.....»»
New method achieves tenfold increase in quantum coherence time via destructive interference of correlated noise
Researchers have developed a new method to significantly enhance quantum technology performance by using the cross-correlation of two noise sources to extend coherence time, improve control fidelity, and increase sensitivity for high-frequency sensin.....»»
Digging deep—value of the soil microbiome unearthed
Researchers in South Australia are digging deep into history of soil biology in the state to gain a better understanding of how the soil microbiome functions to ensure sustainable broadacre farming into the future......»»
New multimode coupler design advances scalable quantum computing
Implementing a fault-tolerant quantum processor requires coupling qubits to generate entanglement. Superconducting qubits are a promising platform for quantum information processing, but scaling up to a full-scale quantum computer necessitates interc.....»»
Quantum Xchange CipherInsights enhancements identify weaknesses in enterprise cryptography
Quantum Xchange announced the latest release of CipherInsights, the company’s network monitoring, crypto-discovery and risk assessment tool. Version 11.0 includes several new features to pinpoint any weaknesses in enterprise cryptography and ease a.....»»
Researchers discover a new form of scientific fraud: Uncovering "sneaked references"
A researcher working alone—apart from the world and the rest of the wider scientific community—is a classic yet misguided image. Research is, in reality, built on continuous exchange within the scientific community: First you understand the work.....»»
Fermionic Hubbard quantum simulator observes antiferromagnetic phase transition
In a study published in Nature, a research team has, for the first time, observed the antiferromagnetic phase transition within a large-scale quantum simulator of the fermionic Hubbard model (FHM)......»»
Visualizing the boundary modes of the charge density wave in a topological material
Charge density waves are quantum phenomena occurring in some materials, which involve a static modulation of conduction electrons and the periodic distortion of the lattice. These waves have been observed in numerous condensed matter materials, inclu.....»»
Moving from the visible to the infrared: Developing high quality nanocrystals
Awarded the 2023 Nobel Prize in Chemistry, quantum dots have a wide variety of applications ranging from displays and LED lights to chemical reaction catalysis and bioimaging. These semiconductor nanocrystals are so small—on the order of nanometers.....»»
Why every quantum computer will need a powerful classical computer
Error-correcting a quantum computer can mean processing 100TB every second. Enlarge / A single logical qubit is built from a large collection of hardware qubits. (credit: at digit) One of the more striking things about q.....»»
New method could yield fast, cross-country quantum network
Quantum computers offer powerful ways to improve cybersecurity, communications, and data processing, among other fields. To realize these full benefits, however, multiple quantum computers must be connected to build quantum networks or a quantum inte.....»»
No GPS, no problem: Researchers are making quantum sensing tools more compact and accurate to replace GPS
Fundamental physics—let alone quantum physics—might sound complicated to many, but it can actually be applied to solve everyday problems......»»
Quantum dot photon emitters violate Bell inequality in new study
A new study in Nature Physics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality. This method uses ultra-low power levels and could pave the way for scalable and efficient quantum t.....»»
Researchers realize time reversal through input-output indefiniteness
A research team has constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness. The study was published in Physical Review Lett.....»»
Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%
Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color purity green LED with a tan.....»»
Novel strategy proposed for selectively targeting G-quadruplex at specific genome loci
DNA G-quadruplexes (G4s) are a type of quadruple helix structure formed by a continuous guanine-rich DNA sequence. Although DNA G4s are thought to be involved in various biological processes, in many cases their causative effects are largely unclear.....»»
Two new variable stars detected in globular cluster NGC 6558
An international team of astronomers has conducted a survey of variable stars in the field of a globular cluster known as NGC 6558. As a result, they identified dozens of variables, out of which two turned out to be new cluster members. The finding w.....»»
A new approach to realize quantum mechanical squeezing
Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, relies on the ability to man.....»»
Ab initio methods help scientists make sense of complex particle collisions
When atomic nuclei and subatomic particles interact, the results are incredibly complex. These are the "many body problems" of quantum mechanics. To help make sense of these interactions, scientists create ways to simplify the range of possible outco.....»»