Current Quantum Algorithm News and Events

Current Quantum Algorithm News and Events, Quantum Algorithm News Articles.
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Machine learning method identifies precancerous colon polyps
A machine learning algorithm helps accurately differentiate benign and premalignant colorectal polyps on CT colonography scans, according to a new study. (2021-02-23)

Concept for a new storage medium
Physicists from Switzerland, Germany and Ukraine have proposed an innovative new data storage medium. The technique is based on specific properties of antiferromagnetic materials that had previously resisted experimental examination. (2021-02-22)

Big Data to model the evolution of the cosmic web
The Instituto de Astrofísica de Canarias (IAC) has led an international team which has developed an algorithm called COSMIC BIRTH to analyse large scale cosmic structures. This new computation method will permit the analysis of the evolution of the structure of dark matter from the early universe until the formation of present day galaxies. This work was recently published in the journal Monthly Notices of the Royal Astronomical Society (MNRAS). (2021-02-22)

New technique reveals switches in RNA
Scientists at the University of Groningen (The Netherlands), in collaboration with colleagues from the University of Torino (Italy), have developed a method to visualize and quantify alternative structures of RNA molecules. These alternative RNA 'shapes' can have important functional relevance in viruses and bacteria. The method was used to identify a conserved structural switch in the RNA of the SARS-CoV-2 virus. (2021-02-22)

Researchers develop speedier network analysis for a range of computer hardware
MIT researchers developed software to more efficiently run graph applications on a range of computing hardware, including both CPUs and GPUs. The advance could boost analysis of social networks, recommendation algorithms, and internet search. (2021-02-22)

Researchers create 'beautiful marriage' of quantum enemies
Cornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics. (2021-02-22)

Lack of symmetry in qubits can't fix errors in quantum computing, might explain matter/antimatter
A team of quantum theorists seeking to cure a basic problem with quantum annealing computers--they have to run at a relatively slow pace to operate properly--found something intriguing instead. (2021-02-22)

Twist-n-Sync: Skoltech scientists use smartphone gyroscopes to sync time across devices
Skoltech researchers have designed a software-based algorithm for synchronizing time across smartphones that can be used in practical tasks requiring simultaneous measurements. This algorithm can essentially help turn several devices into a full-fledged network of sensors. (2021-02-22)

Artificial pancreas system upgraded with AI algorithm
POSTECH professor Sung-Min Park's research team is developing a fully automated glucose management system that goes beyond the limits. (2021-02-22)

Atomic nuclei in the quantum swing
The extremely precise control of nuclear excitations opens up possibilities of ultra-precise atomic clocks and powerful nuclear batteries. (2021-02-19)

A speed limit also applies in the quantum world
Even in the world of the smallest particles with their own special rules, things cannot proceed infinitely fast. Physicists at the University of Bonn have now shown what the speed limit is for complex quantum operations. The study also involved scientists from MIT, the universities of Hamburg, Cologne and Padua, and the Jülich Research Center. The results are important for the realization of quantum computers, among other things. (2021-02-19)

D-Wave demonstrates performance advantage in quantum simulation of exotic magnetism
Researchers at D-Wave Systems published a milestone study in collaboration with scientists at Google, demonstrating a computational performance advantage, increasing with both simulation size and problem hardness, to over 3 million times that of corresponding classical methods. This work was achieved on a practical application with real-world implications, simulating the topological phenomena behind the 2016 Nobel Prize in Physics. This performance advantage is a meaningful step in the journey toward applications advantage in quantum computing. (2021-02-18)

Quantum computing: when ignorance is wanted
Quantum technologies for computers open up new concepts of preserving the privacy of input and output data of a computation. Scientists from the University of Vienna, the Singapore University of Technology and Design and the Polytechnic University of Milan have shown that optical quantum systems are not only particularly suitable for some quantum computations, but can also effectively encrypt the associated input and output data. (2021-02-18)

Blueprint for fault-tolerant qubits
Building a quantum computer is a challenging task because of the fragility of quantum bits. To deal with this problem, various types of active error correction techniques have been developed. In contrast, researchers from Jülich and Aachen together with partners from Basel and Delft have now proposed a design for an inherently fault protected circuit with passive error correction that could significantly accelerate the construction of a quantum computer with a large number of qubits. (2021-02-18)

Investigating the wave properties of matter with vibrating molecules
The working group led by Prof. Stephan Schiller, Ph.D. from Heinrich Heine University Düsseldorf (HHU) has used a novel, high-precision laser spectroscopic experiment to measure the internal vibration of the simplest molecule. This allowed the researchers to investigate the wave character of the motion of atomic nuclei with unprecedented accuracy. They present their findings in the current edition of Nature Physics. (2021-02-18)

Skoltech's recent achievement takes us one step closer to Mars
Scientists have developed an artificial intelligence (AI) system that enables processing images from autonomous greenhouses, monitoring plant growth, and automating the cultivation process. In their article, they share the experience in the scope of controlled-environment agriculture automation in the Antarctic station greenhouse facility called EDEN ISS. (2021-02-17)

Experimental demonstration of measurement-dependent realities possible, researcher says
Holger F. Hofmann, professor in the Graduate School of Advanced Science and Engineering, Hiroshima University, published a method to experimentally demonstrate the precision of quantum measurements on Feb. 3 in Physical Review Research. His work has implications for our fundamental understanding of physics at the level of individual quantum objects. (2021-02-16)

Sloshing quantum fluids of light and matter to probe superfluidity
'Sloshing' of a quantum fluid comprised of light and matter reveals superfluid properties. An Australian-led team have successfully created sloshing quantum liquids in a 'bucket' formed by containment lasers, gaining new insights of the intriguing superfluid properties of this peculiar, hybrid light-matter system. Superfluidity--the flow of particles without resistance--is pursued by FLEET researchers for future applications in ultra low-energy electronics. (2021-02-16)

New physics rules tested on quantum computer
Simulation of non-Hermitian quantum mechanics using a quantum computer goes beyond centuries old conventions (2021-02-15)

Light used to detect quantum information stored in 100,000 nuclear quantum bits
Researchers have found a way to use light and a single electron to communicate with a cloud of quantum bits and sense their behaviour, making it possible to detect a single quantum bit in a dense cloud. (2021-02-15)

Researchers develop algorithm to find possible misdiagnosis
Researchers from the University of Copenhagen have developed an algorithm that can identify patients who may have been wrongly diagnosed. With the help of digital disease history, the algorithm is able to register disease trajectories that differ so much from normal trajectories that there may be a misdiagnosis. The algorithm has been developed on the basis of data from several hundreds of thousands of COPD patients. (2021-02-15)

Applying quantum computing to a particle process
A team of researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) used a quantum computer to successfully simulate an aspect of particle collisions that is typically neglected in high-energy physics experiments, such as those that occur at CERN's Large Hadron Collider. (2021-02-12)

Algorithm that performs as accurately as dermatologists
A study has now been presented that boosts the evidence for using AI solutions in skin cancer diagnostics. With an algorithm they devised themselves, scientists at the University of Gothenburg show the capacity of technology to perform at the same level as dermatologists in assessing the severity of skin melanoma. (2021-02-12)

Nanowire could provide a stable, easy-to-make superconducting transistor
MIT researchers developed a superconducting nanowire that could enable efficient, easy-to-make electronics. The advance could boost quantum computing, as well as magnetic sensors for applications in brain imaging and telescopes. (2021-02-11)

A new quantum switch for electronics
A Russian physicist and his international colleagues studied a quantum point contact (QCP) between two conductors with external oscillating fields applied to the contact. They found that, for some types of contacts, an increase in the oscillation frequency above a critical value reduced the current to zero - a promising mechanism that can help create nanoelectronics components. (2021-02-11)

Brain activity can reveal the severity of autistic traits
A team of researchers from Russia and Israel applied a new algorithm to classify the severity of autistic personality traits by studying subjects' brain activity. The article 'Brief Report: Classification of Autistic Traits According to Brain Activity Recoded by fNIRS Using ε-Complexity Coefficients' is published in the Journal of Autism and Developmental Disorders. (2021-02-11)

UMass Amherst team helps demonstrate spontaneous quantum error correction
Published by the journal Nature, research co-authored by University of Massachusetts Amherst physicist Chen Wang, graduate students Jeffrey Gertler and Shruti Shirol, and postdoctoral researcher Juliang Li takes a step toward building a fault-tolerant quantum computer. They have realized a novel type of QEC where the quantum errors are spontaneously corrected. (2021-02-11)

Routine blood tests could be key to stopping the silent killer of liver disease
New research has shown that results of blood tests routinely performed by GPs everywhere contain a hidden fingerprint that can identify people silently developing potentially fatal liver cirrhosis. The researchers have developed an algorithm to detect this fingerprint that could be freely installed on any clinical computer, making this a low-cost way for GPs to carry out large scale screening using patient data they already hold. (2021-02-11)

Really random networks
New mathematical method for generating random connected networks (2021-02-10)

Placing cosmological constraints on quantum gravity phenomenology
Through new research published in EPJ C, researchers have used well-established cosmological observations to place tighter constraints on the quadratic model of the Generalized Uncertainty Principle, while discrediting the linear model. (2021-02-10)

Quantum effects help minimise communication flaws
Noise limits the performance of modern quantum technologies. However, particles traveling in a superposition of paths can bypass noise in communication. A collaboration between the Universities of Hong-Kong, Grenoble and Vienna, as well as the Austrian Academy of Sciences, under the lead of Philip Walther, reveals novel techniques to reduce noise in quantum communication. The results, published in the latest issue of Physical Review Research, demonstrate that quantum particles traveling in a superposition of paths enable noise reduction in communications. (2021-02-10)

Scientists develop new, faster method for seeking out dark matter
For nearly a century, scientists have worked to unravel the mystery of dark matter. Now, a team of researchers are dramatically speeding up the search for one candidate for this elusive substance called the axion. (2021-02-10)

A language learning system that pays attention -- more efficiently than ever before
SpAtten, a hardware and software system developed at MIT, called SpAtten, that streamlines state-of-the-art natural language processing. The advance could reduce the computing power, energy, and time required for text analysis and generation. (2021-02-10)

Google Scholar renders documents not in English invisible
It affects scientific articles and conference papers, according to a recent study published in the journal Future Internet, by Cristòfol Rovira, Lluís Codina and Carles Lopezosa, researchers with the Department of Communication. (2021-02-10)

Samara Polytech chemists simplify crystal structures
Samara Polytech scientists have developed new methods of modelling the crystal structure of chemical substances, which makes it possible to obtain additional information about the object under study, unknown in the initial experimental data, and also to find regularities determining its structure and properties. (2021-02-09)

Quantum causal loops
Causal reasoning is ubiquitous - from physics to medicine, economics and social sciences, as well as in everyday life. Normally, causal influence is assumed to only go one way - from cause to effect - and never back from the effect to the cause: the ringing of the bell does not cause the pressing of the button that triggered it. Now researchers have developed a theory of causality in quantum theory, according to which cause-effect relations can sometimes form cycles. (2021-02-09)

Quantum computing enables simulations to unravel mysteries of magnetic materials
A multi-institutional team became the first to generate accurate results from materials science simulations on a quantum computer that can be verified with neutron scattering experiments and other practical techniques. (2021-02-09)

A study presents an algorithm that automates electrocardiogram recordings
Artificial intelligence can help health personnel to diagnose heart diseases, as shown in a study published in Scientific Reports, by Guillermo Jiménez-Pérez and Oscar Camara, members of the PhySense group, and Alejandro Alcaine, a researcher at the University of San Jorge, Zaragoza. (2021-02-09)

The quantum advantage: a novel demonstration
Scientists have just proved that a quantum machine can perform a given verification task in seconds when the same exercise would take a time equivalent to the age of the universe for a conventional computer. For this demonstration, they combined a complex interactive algorithm that solves a certain type of mathematical problem with limited information and a simple experimental photonics system that can be made in all advanced photonics laboratories. (2021-02-08)

A magnetic twist to graphene
By combining ferromagnets and two rotated layers of graphene, researchers open up a new platform for strongly interacting states using graphene's unique quantum degree of freedom. (2021-02-08)

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