Quantum magnets in motion
The behavior of microscopic quantum magnets has long been a subject taught in lectures in theoretical physics. However, investigating the dynamics of systems that are far out of equilibrium and watching them "live" has been difficult so far. Now, res.....»»
Atomically thin transducers could one day enable quantum computing at room temperature
Quantum computers have to be kept cold to function—very cold. These machines generally run at "just a few degrees above absolute zero," says Yoseob Yoon, assistant professor of mechanical and industrial engineering at Northeastern University. "It's.....»»
Animals use physics? Let us count the ways
Cats twist and snakes slide, exploiting and negotiating physical laws. Enlarge (credit: Fernando Trabanco Fotografía via Getty Images) Isaac Newton would never have discovered the laws of motion had he studied only cats.....»»
Exploring three-dimensional quantum Griffiths singularity in bulk unconventional iron-based superconductors
Exploration of exotic quantum phase transitions has always been a focus in condensed matter physics. Critical phenomena in a phase transition are entirely determined by the universality class, which is controlled by the spatial and/or order-parameter.....»»
What flavor is that neutrino? Adding flavor helps to track neutrino movement in astrophysical systems
Neutrinos have a quantum mechanical property called "flavor." This flavor can transform as neutrinos move through space. A major challenge is to keep track of both the physical movement of the neutrinos and their change of flavor in astrophysical sys.....»»
Securely propagating entanglement at the push of a button
Entanglement, Einstein's "spooky action at a distance," today is THE tool of quantum information science. It is the essential resource for quantum computers and used to transmit quantum information in a future quantum network. But it is highly sensit.....»»
Artificial intelligence could help make quantum computers a reality
Could artificial intelligence help overcome one of quantum computing's biggest roadblocks?.....»»
New infosec products of the week: July 12, 2024
Here’s a look at the most interesting products from the past week, featuring releases from AttackIQ, IT-Harvest, Pentera, Prompt Security, and Quantum Xchange. AttackIQ Mission Control simplifies security testing for distributed teams AttackIQ Miss.....»»
New experiment investigates light-induced Meissner effect in optically driven superconductor
Superconductivity is a fascinating phenomenon, which allows a material to sustain an electrical current without any loss. This collective quantum behavior of matter only appears in certain conductors at temperatures far below ambient......»»
Observation of 3D acoustic quantum Hall states
The quantum Hall effect (QHE) is one of the most notable discoveries in condensed matter physics, opening the door to topological physics. Extending QHE into three dimensions is an inspiring but challenging endeavor. This difficulty arises because th.....»»
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.....»»
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.....»»
How iOS 18 helps reduce motion sickness with your iPhone
iOS 18 includes a number of powerful new Accessibility features. One of those features is Vehicle Motion Cues, which Apple says is meant to help reduce motion sickness when using your iPhone or iPad in a moving vehicle. Here’s how the feature works.....»»
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.....»»
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.....»»