Generalizing the measurement postulate in quantum mechanics
The measurement postulate is crucial to quantum mechanics. If we measure a quantum system, we can only get one of the eigenvalues of the measured observable, such as position, energy and so on, with a probability. Immediately after the measurement, t.....»»
Quantum computing just got hotter: One degree above absolute zero
For decades, the pursuit of quantum computing has struggled with the need for extremely low temperatures, mere fractions of a degree above absolute zero (0 Kelvin or –273.15°C). That's because the quantum phenomena that grant quantum computers the.....»»
A method to compute the Rényi entanglement entropy in auxiliary-field quantum Monte Carlo simulations
Entanglement is a widely studied quantum physics phenomenon, in which two particles become linked in such a way that the state of one affects the state of another, irrespective of the distance between them. When studying systems comprised of several.....»»
Quantum computing progress: Higher temps, better error correction
Amazon, IBM, and traditional silicon makers all working toward error correction. Enlarge (credit: vital) There's a strong consensus that tackling most useful problems with a quantum computer will require that the compute.....»»
New computational technique enhances accuracy of measurements in nuclear geoscience
Conventional nuclear measurement techniques, such as Monte Carlo simulations, are known for their extensive computational demands and prolonged processing times, especially when applied to unconventional reservoirs characterized by complex lithologie.....»»
Physicists demonstrate parity anomaly in a topological insulator
Experimental and theoretical physicists from the Würzburg Institute for Topological Insulators have observed a re-entrant quantum Hall effect in a mercury telluride device and have identified it as a signature of parity anomaly......»»
Scientists on the hunt for evidence of quantum gravity"s existence at the South Pole
Several thousand sensors distributed over a square kilometer near the South Pole are tasked with answering one of the large outstanding questions in physics: does quantum gravity exist? The sensors monitor neutrinos—particles with no electrical cha.....»»
Unlocking quantum computing power: Automated protocol design for quantum advantage
Imagine a world where complex calculations that currently take months for our best supercomputers to crack could be performed in a matter of minutes. Quantum computing is revolutionizing our digital world. In a research article published in Intellige.....»»
Researchers reveal new method for calculating mechanical properties of solids using machine learning
A research team from Skoltech introduced a new method that takes advantage of machine learning for studying the properties of polycrystals, composites, and multiphase systems. It attained high accuracy, nearly as good as that of quantum-mechanical me.....»»
Quantum interference could lead to smaller, faster, and more energy-efficient transistors
An international team of researchers from Queen Mary University of London, the University of Oxford, Lancaster University, and the University of Waterloo have developed a new single-molecule transistor that uses quantum interference to control the fl.....»»
Scientists deliver quantum algorithm to develop new materials and chemistry
U.S. Naval Research Laboratory (NRL) scientists have published the Cascaded Variational Quantum Eigensolver (CVQE) algorithm in a recent Physical Review Research article. The algorithm is expected to become a powerful tool to investigate the physical.....»»
The world is one step closer to secure quantum communication on a global scale
Researchers at the University of Waterloo's Institute for Quantum Computing (IQC) have brought together two Nobel prize-winning research concepts to advance the field of quantum communication......»»
Beyond cloning: Harnessing the power of virtual quantum broadcasting
In a new study, scientists propose the concept of "virtual quantum broadcasting," which provides a workaround to the longstanding no-cloning theorem, thereby offering new possibilities for the transmission of quantum information......»»
Study outlines spectroscopic signatures of fractionalization in octupolar quantum spin ice
Quantum spin liquids are fascinating quantum systems that have recently attracted significant research attention. These systems are characterized by a strong competition between interactions, which prevents the establishment of a long-range magnetic.....»»
Estimating coastal water depth from space via satellite-derived bathymetry
Since ancient times, knowing the depth of coastal waters has been key to safe and successful navigation and to exploit the sea's resources. Today, bathymetry—the measurement of sea depth—is even more important, playing essential roles in our unde.....»»
Rise of the Ronin review: parrying has never been more fun
Rise of the Ronin mixes RPG open world elements with Soulslike combat mechanics to create engaging gameplay. However, its story falls short of its potential......»»
Quantum talk with magnetic disks
Quantum computers promise to tackle some of the most challenging problems facing humanity today. While much attention has been directed towards the computation of quantum information, the transduction of information within quantum networks is equally.....»»
Using polarization to improve quantum imaging
Quantum imaging is a growing field that takes advantage of the counterintuitive and "spooky" ability of light particles, or photons, to become linked, or entangled, under specialized circumstances. If the state of one photon in the entangled duo gets.....»»
Cleaning up environmental contaminants with quantum dot technology
The 2023 Nobel Prize in Chemistry was focused on quantum dots—objects so tiny, they're controlled by the strange and complex rules of quantum physics. Many quantum dots used in electronics are made from toxic substances, but their nontoxic counterp.....»»
Surviving the “quantum apocalypse” with fully homomorphic encryption
In the past few years, an increasing number of tech companies, organizations, and even governments have been working on one of the next big things in the tech world: successfully building quantum computers. These actors see a lot of potential in the.....»»
Eyes on the impossible: First near-field, subwavelength thermal radiation measurement
Nanodevices change the way we diagnose disease, process food and water, and store renewable energy. But to keep up with next-generation technology, researchers need to understand the fundamental principles that prompt their functionality......»»