PhysORG Physics News

Can cloud-based quantum computing really offer a quantum advantage?
A quantum machine can drastically speed up certain kinds of computation, but only if two or more quantum bits in the machine are entangled—that is, capable of displaying related behavior despite being …
Smartphone utilizes 3D information encryption with dual-light-emitting materials
Over the past decade, there has been remarkable advancement in state-of-the-art technologies, leading to a profound alteration in the way individuals interact and exchange information, resulting in th …
Theoretical study shows that Kerr black holes could amplify new physics
Black holes are regions in space characterized by extremely strong gravity, which prevents all matter and electromagnetic waves from escaping it. These fascinating cosmic bodies have been the focus of …
Exploring the relationship between thermalization dynamics and quantum criticality in lattice gauge theories
Researchers from the University of Science and Technology of China(USTC) of the Chinese Academy of Sciences (CAS) have developed an ultra-cold atom quantum simulator to study the relationship between …
Unraveling the mysteries of glassy liquids
Glass, despite its apparent transparency and rigidity, is a complex and intriguing material. When a liquid is cooled to form a glass, its dynamics slows down significantly, resulting in its unique pro …
Researchers make progress in vector meson spin physics
A research team led by Prof. Wang Qun from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has made significant progress in the theoretical study of v …
Diamond materials as solar-powered electrodes: Spectroscopy shows what's important
It sounds like magic: photoelectrodes could convert the greenhouse gas CO2 back into methanol or N2 molecules into valuable fertilizer—using only the energy of sunlight.
Quiet cables set to help reveal rare physics events
Imagine trying to tune a radio to a single station but instead encountering static noise and interfering signals from your own equipment. That is the challenge facing research teams searching for evid …
Achromatic diffractive liquid-crystal optics for virtual reality displays
As a promising candidate for the next-generation mobile platform, mixed reality (MR) such as Apple Vision Pro and Meta Quest Pro (both are passthrough virtual reality headsets) has the potential to re …
In helium-three, superfluid particles pair 'like a dance in space'
Picture a nanoscale dance floor full of independently moving particles. When things really start to heat up—or, in this case, cool down—particles partner off, but on opposite sides of the space, …
Material would allow users to 'tune' windows to block targeted wavelengths of light
Researchers have demonstrated a material for next generation dynamic windows, which would allow building occupants to switch their windows between three modes: transparent, or "normal" windo …
Study paves the way for new class of nanoscale devices, new opportunities in photonics
Non-Hermitian systems have numerous alluring optical properties at exceptional points (EPs) and have attracted extensive attention because of their great prospects in applications such as optical sens …
Topological materials open a new pathway for exploring spin hall materials
A group of researchers have made a significant breakthrough which could revolutionize next-generation electronics by enabling non-volatility, large-scale integration, low power consumption, high speed …
A model probing the connection between entangled particles and wormholes in general relativity
Quantum entanglement is a physical process through which pairs of particles become connected and remain so even when separated by vast distances. This fascinating phenomenon has been the focus of nume …
Revealing the general characteristics of fiber Rayleigh scattering based on deep learning
Scattering in media has unique inherent randomness. Fiber Rayleigh scattering is one of the typical scattering effects. The exploration and understanding of the characteristics of fiber Rayleigh scatt …
Researchers advance topological superconductors for quantum computing
Quantum computers process information using quantum bits, or qubits, based on fragile, short-lived quantum mechanical states. To make qubits robust and tailor them for applications, researchers from t …
Researchers make sand that flows uphill
Engineering researchers at Lehigh University have discovered that sand can actually flow uphill.
Researchers develop biodegradable optical fiber to measure or modulate electrical current in the body
Electrical signals control a vast number of activities in the human body, from exchanges of messages between brain neurons and stimulation of the heart muscle to the impulses that enable hands and fee …
Composite 2D materials for fiber lasers show promise for ultrafast optics applications
The formation of dissipative solitons is influenced by several factors, such as spectral filtering effects and Kerr nonlinear effects. This interaction leads to the possibility of mode locking over a …
New method makes microcombs 10 times more efficient
Microcombs can help us discover planets outside our solar system and track new diseases in our bodies. But current microcombs are inefficient and unable to reach their full potential. Now, researchers …
Researchers introduce novel organic light-emitting diode with ultralow turn-on voltage for blue emission
Blue light is vital for light-emitting devices, lighting applications, as well as smartphone screens and large screen displays. However, it is challenging to develop efficient blue organic light-emitt …
Study shows high-resolution light field displays and vision correction result in enhanced virtual experiences
Near-eye displays are emerging as the future of portable devices, providing individuals with immersive virtual reality experiences. The primary objectives in developing these displays are to create im …
Researchers use liquid metal and laser ablation to create stretchable miniature antennas
Researchers have developed a new method for making tiny stretchable antennas from a hydrogel and liquid metal. The antennas could be used in wearable and flexible wireless electronic devices to provid …
SLAC fires up the world's most powerful X-ray laser: LCLS-II ushers in a new era of science
The newly upgraded Linac Coherent Light Source (LCLS) X-ray free-electron laser (XFEL) at the Department of Energy's SLAC National Accelerator Laboratory successfully produced its first X-rays, a …
Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric ima …
Researchers explore theorized dark photons in connection with dark matter
A team of international researchers, led by experts at the University of Adelaide, has uncovered further clues in the quest for insights into the nature of dark matter.
Upconversion photoluminescence appears to shine polarized and brighter
Lanthanide-doped upconversion nanoparticles (UCNPs) demonstrate many superior properties of broadly-tunable multicolor emission and long emission lifetimes. This makes them well-suited for many light- …
Plumbing the depths of thermoelectrics in search of novel materials
Thermoelectrics enable the direct conversion of heat into electrical energy—and vice versa. This makes them interesting for a range of technological applications. In the search for thermoelectric mate …
Scalable multipartite entanglement achieved with ultracold atoms in optical lattice
Researchers from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), in collaboration with researchers from Tsinghua University, led by Ma Xiongfeng, and …
Researchers uncover unconventional charge carriers in a triangular-lattice Mott insulator
Mott insulators are a peculiar class of materials with structures that should theoretically conduct electricity, but that are instead insulators. These materials contain strongly correlated electrons, …