Research by University of Warsaw scientists reveals the impact of marine snow on the ocean's carbon cycle and global warming. The study models the collision frequency of these 'snowflakes' to determine their sinking rate, which transports vast amounts of carbon from the surface to the depths.
Researchers from the University of Warsaw and other institutions created optical tornadoes by combining spatially variable birefringence with an optical microcavity. This allows for the creation of miniature light sources with complex structures, potentially enabling simpler and more scalable photonic devices.
Researchers have developed a structure that traps infrared light in a layer just 40 nanometers thick, opening up opportunities for faster and smaller photonic systems. They achieved this by creating a subwavelength grating using molybdenum diselenide, a material with a high refractive index.
Researchers have observed a new microscopic mechanism enabling precise control of magneto-optical properties in alloys of two-dimensional semiconductors. The discovery opens up prospects for technological applications in devices exploiting valleytronics.
Dr. Nevill Gonzalez Szwacki's research explains boron nanostructures diversity and predicts new materials with specific properties. The study combines known structures and predicts electronic properties based on atomic coordination.
Scientists developed a Rydberg-atom detector to measure weak terahertz signals, enabling precise spectroscopy and quantum sensors. The detector uses a gas of rubidium atoms in a Rydberg state, tuning them to specific frequencies for calibration.
Researchers from Poland, USA, and Slovenia found a mathematical description of stalagmite shapes, revealing that shape matters for climate science. The study provides an analytical solution for the growth of ideal stalagmites in constant cave conditions.
A team from the University of Warsaw developed a new type of all-optical radio receiver based on Rydberg atoms, providing extreme sensitivity and internal calibration. The antenna is powered by laser light, enabling precise control over the lasers and electron dance.
By studying how atoms interact with each other and with light, researchers have found that direct atom–atom interactions can strengthen collective bursts of light known as superradiance. This discovery could lead to breakthroughs in quantum technologies such as quantum batteries and precision sensors.
The researchers have successfully demonstrated a four-dimensional QKD system with high efficiency and low measurement error rates. This breakthrough enables secure data transmission over long distances, with potential applications in fields such as finance and government.
Gravitinos, charged particles with spin 3/2, are suggested as a new alternative to existing Dark Matter candidates like axions and WIMPs. The JUNO detector, currently under construction, is well-suited for detecting gravitinos due to its large volume.
Researchers discovered a new way to enhance light emission in nanoparticles, leading to the visualization of infrared radiation. The technique, which involves simultaneous excitation with two near-infrared beams, could have applications in microscopy and photonic technologies.
Researchers from the University of Warsaw and the University of British Columbia have discovered a new type of exotic quantum excitation called a lone spinon. This finding deepens our understanding of magnetism and could have implications for the development of future technologies such as quantum computers.
Researchers unveiled an analogous law for the quantum world, proving that entanglement can be reversibly manipulated. An entanglement battery enables efficient manipulation of entanglement and other quantum phenomena.
The researchers created a novel method for using cholesteric liquid crystals in optical microcavities, enabling the formation and dynamic tuning of photonic crystals. This breakthrough research has the potential to revolutionize photonic engineering by opening up new perspectives in the manipulation of light.
The book, co-authored by 29 contributors from over ten countries, offers an introduction to machine learning and deep neural networks for complex quantum problems. It serves as a timely guide for PhD students and researchers looking to apply modern machine learning methods to quantum physics and chemistry.
A team of scientists from the University of Warsaw discovered that karstic solution pipes preserve a record of Earth's climatic history. The pipes evolve into an invariant shape as they deepen, encoding ancient rainfall patterns.
Researchers from the International Institute of Molecular and Cell Biology in Warsaw discovered a crucial role of enzyme TENT5A in extending poly(A) tails of therapeutic mRNA molecules, making them more stable and effective. Macrophages play a key role in vaccine effectiveness, capturing and neutralizing 'intruders' after administration.
Researchers from the University of Warsaw discovered an unexpected order in interatomic collisions, allowing for controlled interactions at higher temperatures. This breakthrough could simplify future experimental realizations and shed light on fundamental questions about quantum and classical worlds.
Researchers from the University of Warsaw have shown that Navier-Stokes equations can be generalized to quantum systems, specifically quantum liquids with restricted particle motion. This discovery opens up new possibilities for research into transport in one-dimensional quantum systems.
Researchers identified a group of unusual objects emitting long-duration outbursts of X-rays, which may be caused by binary star systems with white dwarfs and subgiant stars. The discovery of millinovae could provide insights into the astrophysics of Type Ia supernovae.
In transport networks, competing branches change dynamics drastically when reaching the system's boundary, forming loops. This process leads to increased stability and reduced damage susceptibility. Various systems exhibit similar dynamics, supporting a simple physical explanation for loop formation.
Researchers at the University of Warsaw developed a quantum-inspired super-resolving spectrometer that uses latent information carried by photons to improve spectral resolution. The device offers over a two-fold improvement in resolution compared to standard approaches and has potential applications in optical and quantum networks.
Scientists have created perovskite crystals with predefined shapes to serve as waveguides, couplers, and modulators in integrated photonic circuits. The edge lasing effect is associated with exciton-polariton condensates, which exhibit nonlinear effects, enabling applications in quantum computing.
Research by the University of Warsaw and Oxford has shown that tachyons, previously thought to contradict special relativity, can actually aid in its understanding. The study reveals that tachyon theory becomes mathematically consistent when incorporating both initial and final states.
A team of scientists from the University of Warsaw detected a population of massive black holes, which could comprise at most a few percent of dark matter. The findings were published in Nature and the Astrophysical Journal Supplement Series.
Scientists from CNR Nanotec and the University of Warsaw created a new method to simulate interactions between artificial atoms by forming macroscopic coherent states. They used optically tailored quantum droplets of light that became bound together, enabling stable and long-lived polariton fluids with unprecedented coherence scales.
Researchers developed a novel phase imaging technique using intensity correlation measurements that is immune to phase instability. This method can capture high-resolution images of transparent and optically thin samples, such as cell cultures, with improved accuracy.
Scientists superposed two light beams twisted in the clockwise direction to create anti-clockwise twists in the dark regions of the resultant superposition. This discovery represents a step towards observing a peculiar phenomenon known as quantum backflow.
Scientists have developed perovskite photovoltaic cells with significantly improved optoelectronic properties using nanoimprinting method. The structure reduces optical losses and enables cheaper production on a large scale.
Scientists at the University of Warsaw have developed a device that can convert quantum information between microwave and optical photons, enabling a crucial part of quantum network infrastructure. This breakthrough could lead to advancements in quantum computing, radio-astronomy, and high-speed internet connections.
The UW students' achievement enables the implementation of a fractional Fourier Transform in optical pulses, allowing for more precise pulse identification and filtering. This innovation has significant implications for spectroscopy and telecommunications, where precise signal processing is crucial.
Researchers from the University of Warsaw explore how kitchen phenomena lead to breakthroughs in biomedicine and nanotechnology. They describe bubbles in champagne, Leidenfrost effect, and surface tension, revealing surprising connections between food science and scientific discoveries.
A new technique developed by researchers at the University of Warsaw's Faculty of Physics allows for up to a 200-fold change in pulse duration with an efficiency of 25 percent. This enables quantum Internet links to operate up to 50 times faster, contributing to the development of superfast quantum connections.
Researchers from University of Warsaw and Utrecht University observed the Brazil nut effect in a mixture of charged colloidal particles without external energy. The phenomenon involves heavier particles rising to the top due to repulsion forces, with potential applications in geology, soft matter physics, and industry.
Researchers study DNA minicircles using hydrodynamic measurements to understand their behavior under twisting, revealing unique shapes and compactness. The investigation combines theoretical approaches with experimental methods to elucidate dynamic hydroelastic effects in DNA.
Researchers from Warsaw and Oxford propose a new theoretical framework that incorporates three time dimensions and one spatial dimension. This concept allows for the description of phenomena in a world with superluminal observers, which could potentially exist.
Researchers from University of Warsaw create spiking neuron using photons to mimic biological brain's behavior. This achievement paves the way for photonic neural networks that process information faster and more efficiently than conventional systems.
For the first time, scientists observed the annihilation of exceptional points from various degeneration points. The researchers used an optical resonator filled with liquid crystal to study the properties of exceptional points. They found that the position of these points can be controlled by changing the voltage applied to the cavity.
Physicists have developed a new photonic system with electrically tuned topological features, constructed of perovskites and liquid crystals. The system can be used to create efficient and unconventional light sources, mimicking the spin-orbit coupling previously observed in semiconductor physics at cryogenic temperatures.
Physicists at the University of Warsaw have developed a new type of tunable microlaser that emits two linearly polarized beams, which can be controlled by rotating liquid crystal molecules. The laser has been shown to exhibit unique properties, including circular polarization and phase coherence.
Researchers from the University of Warsaw have developed a quantum processor that can efficiently provide information on matter hidden in light, improving spectroscopy measurements. The device achieves high resolution (15 kHz) using a small amount of light, surpassing classical limits.
Researchers have found a complete solution to the problem of whether catalytic transformations are possible, revealing that quantum catalysts can boost quantum processes. This breakthrough has practical applications in quantum cryptography, secure communication, and efficient state merging, making noisy states useful in quantum computing.
Researchers demonstrated Young's experiment for photons in reciprocal space, creating an interference pattern of light polarization with circular polarized stripes. The observation coincided with the 100th anniversary of spin discovery and showed a classic entanglement of two degrees of freedom - direction and polarization of light.
Exciton-polaritons exhibit non-linear effects, including Bose-Einstein condensation and polariton lasing without occupation inversion. The study reveals energy-degenerate parametric scattering of polaritons and opens up new avenues for research on multi-level polariton systems.
A team of researchers from University of Warsaw and China found quantum states that can only be distinguished using complex numbers, proving their importance in quantum mechanics. Complex numbers were initially considered purely mathematical but have been shown to play a fundamental role in the theory.
Researchers at the University of Warsaw have demonstrated how to structure light to exhibit collective spin behavior like a ferromagnet. They trapped light in a thin liquid crystal layer between mirrors and observed first-order and second-order merons and anti-merons, which can be used to study complex systems.
Astronomers detect tiny free-floating planet with timescale of just 42 minutes, shedding light on turbulent past of young planetary systems. The discovery demonstrates that low-mass free-floating planets can be detected and characterized using ground-based telescopes.
A Polish-Israeli team has introduced a new method of super-resolution microscopy that, in theory, has no resolution limit. The technique, called SOFISM, uses naturally occurring fluctuations in emission intensity to enhance spatial resolution.
Scientists have developed a new class of light-powered, remotely controlled grippers grown on optical fibers. These micro-tools can change shape in response to light and are vital for various technologies. The researchers used liquid crystal elastomer technology to create the micro-grippers.