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How can quantum information be stored as long as possible? An important step forward in the development of quantum memories has been achieved by a research team of TU Wien.
Anyone who has tried to lead a group of tourists through a busy city knows the problem. How do you keep the group together when they are constantly jostled, held up and distracted by the hubbub around them?
If objects in motion are like rainwater flowing through a gutter and landing in a puddle, then quantum objects in motion are like rainwater that might end up in a bunch of puddles, all at once. Figuring out where quantum ...
Cool a material to sufficiently low temperatures and it will seek some form of collective order. Add quantum mechanics or confine the geometry and the states of matter that emerge can be exotic, including electrons whose ...
A commercially available 'atom interferometer' – exploiting clouds of ultra-cold atoms to make extremely precise measurements of variations in local gravity – on show during ESA's inaugural Quantum Technology workshop.
Quantum computing is heralded as the next revolution in terms of global computing. Google, Intel and IBM are just some of the big names investing millions currently in the field of quantum computing which will enable faster, ...
University of Vienna research team has succeeded in breaking two novel records while experimenting with so-called twisted particles of light. These results, now published in the journal PNAS, are not only of fundamental interest ...
Kenji Ohmori (Institute for Molecular Science, National Institutes of Natural Sciences, Japan) and a group of collaborators have developed the world's fastest simulator for the quantum mechanical dynamics of a large number ...
Order and disorder might seem dichotomous conditions of a functioning system, yet both states can, in fact, exist simultaneously and durably within a system of oscillators, in what's called a chimera state. Taking its name ...
Macquarie University researchers have demonstrated a new technique exploiting the presence of foreign atoms within a diamond crystal, using light to affect the motion of the entire nanoparticle – opening the door to applying ...
When is a traffic jam not a traffic jam? When it's a quantum traffic jam, of course. Only in quantum physics can traffic be standing still and moving at the same time.
From stationary to flying qubits at speeds never reached before…. This feat, achieved by a team from Polytechnique Montréal and France's Centre national de la recherche scientifique (CNRS), brings us a little closer to ...
In the double slit experiment, a particle travels on two different paths at the same time. Something similar can be observed when a helium atom is ionized with a laser beam. The ionization of helium can happen via two different ...
For centuries, scientists believed that light, like all waves, couldn't be focused down smaller than its wavelength, just under a millionth of a metre. Now, researchers led by the University of Cambridge have created the ...
The hissing sound you hear in the background when you turn up the volume of your music player is called "noise". Most of this hiss is due to the thermal motion of electrons in the music-player circuitry. Just like molecules ...
(Phys.org)—The change point problem is a concept in statistics that pops up in a wide variety of real-world situations, from stock markets to protein folding. The idea is to detect the exact point at which a sudden change ...
From credit card numbers to bank account information, we transmit sensitive digital information over the internet every day. Since the 1990s, though, researchers have known that quantum computers threaten to disrupt the security ...
A little frustration can make life interesting. This is certainly the case in physics, where the presence of competing forces that cannot be satisfied at the same time – known as frustration – can lead to rare material ...
What would happen if an electric current no longer flowed, but trickled instead? This was the question investigated by researchers working with Christian Ast at the Max Planck Institute for Solid State Research. Their investigation ...
When a quantum system changes its state, this is called a quantum jump. Usually, these quantum jumps are considered to be instantaneous. Now, new methods for high-precision measurements allow us to study the time evolution ...
New research conducted at the University of Chicago has confirmed a decades-old theory describing the dynamics of continuous phase transitions.
Atoms, photons, and other quantum particles are often capricious and finicky by nature; very rarely at a standstill, they often collide with others of their kind. But if such particles can be individually corralled and controlled ...
(Phys.org)—A team of researchers at the University of Cambridge has succeeded in creating turbulence in a Bose–Einstein condensate (BEC) and in the process, have possibly opened the door to a new avenue of research. In ...
Researchers at North Carolina State University have developed a new technique for creating NV-doped single-crystal nanodiamonds, only four to eight nanometers wide, which could serve as components in room-temperature quantum ...
Electrons in a solid can team up to form so-called quasiparticles, which lead to new phenomena. Physicists at ETH in Zurich have now studied previously unidentified quasiparticles in a new class of atomically thin semiconductors. ...
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If you're building a quantum computer with the intention of making calculations not even imaginable with today's conventional technology, you're in for an arduous effort. Case in point: You're delving into new problems and ...
Physicists from the University of Würzburg have designed a light source that emits photon pairs, which are particularly well suited for tap-proof data encryption. The experiment's key ingredients: a semiconductor crystal ...
Magnetic moments ("spins") in magnetic solids are capable of forming the most diverse structures. Some of them are not only of interest from a scientific point of view, but also from a technical standpoint: processors and ...
A Purdue University physicist has observed a butterfly Rydberg molecule, a weak pairing of two highly excitable atoms that he predicted would exist more than a decade ago.
Physicists at The Australian National University (ANU) and University of Queensland (UQ) have produced near-perfect clones of quantum information using a new method to surpass previous cloning limits.
The likelihood of seeing quantum systems violating the second law of thermodynamics has been calculated by UCL scientists.
Majorana fermions were first proposed by the physicist Ettore Majorana in 1937. They are fermion particles that are also their own antiparticles. These fermions are vital to the research of superconducting materials and topological ...
In 1937, US physicist Isidor Rabi introduced a simple model to describe how atoms emit and absorb particles of light. Until now, this model had still not been completely explained. In a recent paper, physicists have for the ...
For more than a century and a half of physics, the Second Law of Thermodynamics, which states that entropy always increases, has been as close to inviolable as any law we know. In this universe, chaos reigns supreme.
Entangled photon pairs, termed as biphotons, have been the benchmark tool for experimental quantum optics. The quantum-network protocols based on photon-atom interfaces have stimulated a great demand for single photons with ...
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant ...
(Phys.org)—Over the past few decades, quantum effects have greatly improved many areas of information science, including computing, cryptography, and secure communication. More recently, research has suggested that quantum ...
Australian engineers have created a new quantum bit which remains in a stable superposition for 10 times longer than previously achieved, dramatically expanding the time during which calculations could be performed in a future ...
(Phys.org)—Physicists have implemented the first experimental demonstration of everlasting quantum coherence—the phenomenon that occurs when a quantum system exists in a superposition of two or more states at once. Typically, ...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link "People have already built ...
JILA physicists have demonstrated a novel laser design based on synchronized emissions of light from the same type of atoms used in advanced atomic clocks. The laser could be stable enough to improve atomic clock performance ...
Harnessing solid-state quantum bits, or qubits, is a key step toward the mass production of electronic devices based on quantum information science and technology. However, realizing a robust qubit with a long lifetime is ...
Researchers at the University of Waterloo's Institute for Quantum Computing (IQC) recorded an interaction between light and matter 10 times larger than previously seen. The strength of the interaction between photons and ...
When you've got to go, but you're out there in space, zipped up in a spacesuit, with no toilet in sight and a crew of other astronauts around, what do you do?
We all know that when it rains, plants grow. When it doesn't, they don't.
In science, sometimes the best discoveries come when you're exploring something else entirely. That's the case with recent findings from the National Institute of Standards and Technology (NIST), where a research team has ...
Graphene, a two-dimensional form of carbon in sheets just one atom in thick, has been the subject of widespread research, in large part because of its unique combination of strength, electrical conductivity, and chemical ...
Every year, trade winds over the Sahara Desert sweep up huge plumes of mineral dust, transporting hundreds of teragrams—enough to fill 10 million dump trucks—across North Africa and over the Atlantic Ocean. This dust ...
The claws of coconut crabs have the strongest pinching force of any crustacean, according to a study published November 23, 2016 in the open-access journal PLOS ONE by Shin-ichiro Oka from Okinawa Churashima Foundation, Japan, ...
People have a remarkable ability to remember and recall events from the past, even when those events didn't hold any particular importance at the time they occurred. Now, researchers reporting in the journal Current Biology ...
"Mood ring materials" could play an important role in minimizing and mitigating damage to the nation's failing infrastructure.
A groundbreaking study of the virosphere of the most populous animals - those without backbones such as insects, spiders and worms and that live around our houses - has uncovered 1445 viruses, revealing people have only scratched ...
Reporting this week (Wednesday Nov. 23) in the journal Nature an international team led by British Antarctic Survey (BAS) explains that present-day thinning and retreat of Pine Island Glacier, one of the largest and fastest ...
A naturally occurring predatory bacterium is able to work with the immune system to clear multi-drug resistant Shigella infections in zebrafish, according to a study published today in Current Biology.
Piezoelectric sensors measure changes in pressure, acceleration, temperature, strain or force and are used in a vast array of devices important to everyday life. However, these sensors often can be limited by the "white noise" ...
The government wants smartphone makers to lock out most apps when the phone is being used by someone driving a car.
Scientists at The Scripps Research Institute (TSRI) have developed a vaccine that blocks the pain-numbing effects of the opioid drugs oxycodone (oxy) and hydrocodone (hydro) in animal models. The vaccine also appears to decrease ...
In the age of WikiLeaks, Russian hacks and increased government surveillance, many computer users are feeling increasingly worried about how best to protect their personal information—even if they aren't guarding state ...
Researchers have revealed new atomic-scale details about pesky deposits that can stop or slow chemical reactions vital to fuel production and other processes. This disruption to reactions is known as deactivation or poisoning.
A study co-led by the University of East Anglia (UEA) has found that people with genes for high educational achievement tend to marry, and have children with, people with similar DNA.
The study, published as the cover article in BioMed Central's Avian Research, led by the Earlham Institute and the Museum of Vertebrate Zoology at the University of California, explores the phylogenetic relationship between ...
Scientists at the U.S. Department of Energy's Ames Laboratory are being credited with creating the first intermetallic double salt with platinum.
(Phys.org)—A team of researchers from France, the U.S. and Italy has found evidence from the Tohoku-Oki earthquake that sensors that measure changes in gravity might offer a way to warn people of impending disaster faster ...
A new analysis of subsistence data collected in three Arctic communities underscores the importance of social ties and sharing among households.
Despite what you might think, evolution rarely happens because something is good for a species. Instead, natural selection favours genetic variants that are good for the individuals that possess them. This leads to a much ...
(Phys.org)—A team of researchers with the Universities of Roehampton and Birmingham in the U.K. has found a unique way to measure the energy spent by tree-dwelling apes when faced with gaps in a jungle canopy. In their ...
Although recent election coverage may suggest otherwise, research shows that people are more likely to use positive words than negative words on the whole in their communications. Behavioral scientists have extensively documented ...
An enterprising researcher from The University of Manchester has developed a prototype tool that could help transform the lives of the blind and visually impaired.
It only takes a few seconds for an employee of one of the world's leading hacking companies to take a locked smartphone and pull the data from it.
Men and women don't communicate much differently from each other, at least when they get the same training and are working on the same type of written assignment. The findings come amid frequent studies that have discovered ...
Black light does more than make posters glow. Cornell researchers have developed a chemical tool to control inflammation that is activated by ultraviolet (UV) light.
Scientists at Washington University in St. Louis isolated an enzyme that controls the levels of two plant hormones simultaneously, linking the molecular pathways for growth and defense.
Education scholars say youth are duped by sponsored content and don't always recognize political bias of social messages.
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