Researchers at Vienna University of Technology have created a nano-roundabout for light signals using an atomic switch, allowing for precise control over the direction of circulation. The system utilizes a bottle resonator and a single rubidium atom to break symmetry and define traffic rules.
Researchers at Vienna University of Technology developed a new method to create durable quantum states in nitrogen atoms and microwaves, increasing the lifetime of quantum memory by more than an order of magnitude. This breakthrough enables important quantum-technological applications with faster data processing times.
Scientists at TU Wien develop new approach to controlling electron emission using two laser pulses fired at a metal tip. They demonstrate the ability to switch electron emission on and off on extremely short time scales. This breakthrough opens up possibilities for controlled x-ray generation.
Researchers observed the buildup of Fano resonances in a helium atom via two different paths simultaneously, allowing them to study the time evolution of these processes. This discovery enables precise control over quantum effects and opens up new possibilities for controlling chemical reactions.
Researchers at TU Wien and Germany have developed a method to study the time structure of quantum jumps, which are extremely fast state changes in atoms. The experiment showed that the duration of two different ionization processes can be distinguished, revealing new insights into the physics of ultrashort time scales.
Researchers at TU Wien have successfully created nanostructures made of pure gold using an additive direct-write lithography technique. The new method allows for the fabrication of three-dimensional gold structures, which are essential for various applications in electronics and sensor technology.
Researchers at TU Wien have developed a method to produce permanent magnets using a 3D printer, enabling precise customization of magnetic fields. The process involves depositing tiny magnetic particles into a polymer matrix, which is then exposed to a strong external magnetic field to create a permanent magnet.
A microscopic sensor has been developed at TU Wien that can identify different gases simultaneously using a laser and detector in one. The sensor, made of a sophisticated layered system of materials, emits light in the infrared range and measures its strength to detect gases with unique 'fingerprints'.
A mathematical model developed at TU Wien found that the Mayans' irrigation technology may have contributed to their collapse. The study suggests that while water reservoirs can provide relief during droughts, they may also make populations more vulnerable during prolonged dry spells.
Researchers from TU Wien, Aachen, and Manchester successfully created artificial atoms in graphene by confining electrons to small spaces. This innovation enables the preservation of arbitrary superpositions for a long time, ideal properties for quantum computers.
Researchers at Vienna University of Technology observe how carbon monoxide enables single platinum atoms to move and form clusters, breaking the grip of the magnetite surface. This process has significant implications for chemical catalysis, as it opens up a strategy to turn clusters into single atoms.
Researchers at Vienna University of Technology and colleagues around the world have discovered exceptional points in wave physics, where complex frequencies emerge. By steering a system around these points, they have observed surprising effects, including asymmetric mode switching.
A research team has demonstrated that energy-filtered transmission electron microscopy (EFTEM) can be used to image individual electron orbits within atoms. This technique allows for penetration down to the subatomic level, opening up new possibilities for the study of atomic structures.
Researchers have created a surface with switchable wetting and adhesion using a single layer of boron nitride. The surface can be made water-repellent or wettable by applying an electrical voltage, opening up potential applications in daily life and space travel.
Researchers at Vienna University of Technology have developed a new method to analyze the process of RNA transfer from viruses into human cells. This breakthrough could lead to the development of new drugs that prevent this precise RNA transfer.
Researchers at Vienna University of Technology have developed a new method to distinguish real protein clusters from single blinking molecules in superresolution microscopy. The study reveals that many studied proteins do not form clusters as previously assumed, challenging the theory on protein distribution on cell membranes.
Researchers from TU Wien have proposed a new method to create gigantic spin currents in a very small period of time using ultra short laser pulses. The spin current is injected into silicon without creating a charge current due to a spin-selective effect, leading to extremely strong spin-polarization.
A team of international researchers has explained the peculiar behavior of electrons in graphene when passing through narrow constrictions. The results show that the electric current is not continuous, but quantized, exhibiting characteristic steps.
Researchers from Austria, Finland, and Hungary used laser scanners to measure the daily movement of fully grown trees. The results show that trees droop their branches at night, with changes not exceeding 10 cm, indicating they go to sleep.
Researchers at TU Wien create a photo-electrochemical cell that can store the energy of ultraviolet light even at high temperatures. The new material combines photovoltaics with electrochemistry, paving the way for large-scale industrial storage.
Researchers find that even gases without thermalization can be cooled by removing high-energy particles through electromagnetic fields, and this effect is made possible by quantum mechanical waves.
Scientists Kaspar Sakmann and Mark Kasevich developed a new method to calculate effects in ultra-cold atom clouds, which can only be explained by quantum correlations between many atoms. This breakthrough enables accurate descriptions of complex many-body systems, such as Bose-Einstein condensates and collisions between these states.
Researchers at TU Wien have successfully produced polyimide particles in an angular shape for the first time using a novel synthesis procedure. The new material exhibits exceptional stability and resistance to various solvents, making it suitable for applications such as protective coatings and space travel.
Water molecules on the surface of perovskites exhibit unusual behavior, where they split into two parts but continue to interact through weak hydrogen bonds. This interaction causes the OH group to circle the hydrogen atom like a dancer spinning on a pole, a phenomenon predicted by theory and confirmed through experiments.
Researchers at TU Wien developed a nanoscale device that allows light to propagate in only one direction, breaking the symmetry of traditional optics. By coupling alkali atoms to ultrathin glass fibers, they achieved high transmission rates for light traveling in one direction while blocking it in the other.
Researchers have developed a transistor that functions solely on a single molecule, eliminating the need for three electrodes. The switch's state can be altered using a single electron, offering new opportunities for ultra-small switches and increased integration densities.
Scientists have developed an app to monitor food security using a smartphone, combining weather and soil moisture data from satellites with crowd-sourced data on population vulnerability. The tool has shown promising results in the Central African Republic, providing valuable information for organizations like Doctors without Borders.
Researchers employed new theoretical approach to calculate glueball decay, achieving agreement with experimental data. The f0(1710) resonance is now considered a prime candidate for the long-sought-after glueball, composed of pure gluons.
Researchers at TU Wien and TriLite Technologies have developed a 3D display technology using micro optics and moving micro mirrors. This innovation enables the creation of 3D images without 3D glasses, marking a significant advancement in the field.
Researchers have found that platinum nanoparticles sitting on cheap metal oxide materials convert carbon monoxide into carbon dioxide. The chemical reactions occur due to the interplay between platinum particles and the iron-oxide surface, making them efficient. This new knowledge can be used to create better catalysts.
Researchers at TU Wien have discovered new materials that can locally amplify or absorb light, allowing for the creation of undistorted light waves with uniform intensity. This breakthrough enables new kinds of light waves without wave interference, potentially useful for technological applications.
A team of researchers developed an artificial model system to study quantum effects in light harvesting, revealing a delicate interplay between molecular vibrations and electrons. The resulting theoretical model explains experiments perfectly, shedding light on the physical mechanisms necessary for energy-efficient photovoltaic cells.
Scientists from TU Wien and Free University of Berlin developed a quantum tomography method to measure and describe large quantum systems precisely with few measurements. This technique uses continuous matrix product states, which represent a vanishingly small fraction of all possible states but are physically important.
Researchers at Vienna University of Technology and Activision-Blizzard develop a new mathematical method to create more realistic surface rendering in computer games. The 'SSSS-method' takes into account light scattering below the surface, reducing computing time while maintaining realistic images.
Researchers at TU Wien and MedUni Vienna have developed artificial blood vessels that are biocompatible and can be broken down by the body. The new material has excellent mechanical properties and allows for the growth of natural tissue, making it a promising solution for bypass operations.
Researchers at TU Wien found that the holographic principle can hold true even in flat spacetime, confirming its validity in our own universe. This validation suggests that the universe may be a hologram, with three-dimensional space being an image of two-dimensional processes on a cosmic horizon.
Researchers used advanced techniques to study single molecules and protein interactions on the cell membrane. The findings revealed that lipid rafts, previously thought to move within the membrane, do not exist. Instead, proteins may be anchored at specific positions on the surface, influencing cellular processes.
Scientists have developed a new method to monitor Europe's nature protection areas by analyzing reflected light signals from laser pulses. The technique allows for the identification of different types of vegetation, including weeds and vehicle tracks, and provides detailed 3D maps of the landscape.
Researchers at Vienna University of Technology discovered that a cloud of atoms can exhibit multiple temperatures at once. The experiment utilized a microchip to cool the gas near absolute zero, allowing scientists to measure its behavior. This breakthrough helps understand the fundamental laws of quantum physics and their relationship...
Researchers have successfully slowed down light to 180 km/h using a glass fiber, allowing for the storage of photons and potentially enabling quantum communication over long distances. This breakthrough technology uses cesium atoms coupled to an ultrathin glass fiber to transfer photon information in a controlled manner.
Austro-Russian research team develops high-energy mid-infrared laser capable of igniting laser filaments in air at normal atmospheric pressure. This technology enables tracing pollutants in the atmosphere using back-scattered light analysis.
Scientists at Vienna University of Technology have developed a way to compress intense laser pulses by a factor of 20 using a cleverly designed hollow fibre. This tabletop technology makes creating short infrared pulses much simpler and cheaper than previously used setups.
Researchers at Vienna University of Technology have developed a new 3D display system that uses laser beams to create 3D effects without the need for special glasses. The system can display hundreds of images simultaneously, creating a realistic 3D effect similar to walking around an object.
Scientists have successfully tracked the motion of electrons in metals using laser pulses, achieving attosecond precision. The results demonstrate that electrons travel through metals ballistically, with their arrival times dependent on layer thickness. This breakthrough has significant implications for the miniaturization of electroni...
Researchers at Vienna University of Technology have redefined the atomic structure of magnetite, a crucial component in electronic devices and medical applications. The study reveals that the surface of magnetite is governed by missing iron atoms, leading to an efficient catalyst for chemical reactions.
Researchers found that the time spent by a drunken sailor on a square with streetlamps is constant regardless of the lamp density. This effect also applies to light waves in disordered media, rubber balls rolling across a plank, and even ant paths, revealing a universal phenomenon.
Researchers at Vienna University of Technology have developed a new laser system to create high-flux X-ray pulses, which will allow for more accurate measurements in various scientific fields. The new technology uses mid-infrared light and can produce up to 25 times higher X-ray flux than previous experiments.
Scientists at Vienna University of Technology have successfully created a strong interaction between two single photons using an ultra-thin glass fiber. This technique enables the creation of maximally entangled photon states required in quantum teleportation and light-transistors for quantum computing.
Researchers at Vienna University of Technology and Washington University in St. Louis have confirmed a paradoxical laser effect, where energy loss can turn lasers on. By carefully tuning the amount of light lost through a chromium needle, they were able to switch the laser system on.
Physicists at Vienna University of Technology have developed an optical switch using spin-orbit coupling of light. By employing gold nanoparticles coupled to ultra-thin glass fibers, they can emit light into the fiber in a way that does not travel in both directions, but instead is directed either left or right.