Coherent oscillation between phonons and magnons
Two different waves with the same frequency and wavelengths can be coupled, so that the amplitude alternates periodically between the two to form a phenomenon known as a coherent beating oscillation. The process can be observed often with a coupled p.....»»
New partially coherent unidirectional imaging system enhances visual data transmission
A team of researchers from the University of California, Los Angeles (UCLA) has unveiled a new development in optical imaging technology that could significantly enhance visual information processing and communication systems......»»
Modeling experiments show weather-changing El Niño oscillation is at least 250 million years old
The El Niño event, a huge blob of warm ocean water in the tropical Pacific Ocean that can change rainfall patterns around the globe, isn't just a modern phenomenon......»»
Researchers achieve tunable coherent population trapping in a double quantum dot system
A research team has achieved coherent population trapping (CPT) in a semiconductor double quantum dot (DQD) system......»»
First coherent picture of an atomic nucleus made of quarks and gluons
The atomic nucleus is made up of protons and neutrons, particles that exist through the interaction of quarks bonded by gluons. It would seem, therefore, that it should not be difficult to reproduce all the properties of atomic nuclei hitherto observ.....»»
El Niño Southern Oscillation caused spike in 2023 temperatures, study finds
A study by scientists at the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science identified El Niño–Southern Oscillation as the primary cause of the spike in global surface temperature in 2023, not human-induced climate.....»»
A new apparatus for analyzing partial coherence in integrated photonic networks
Anyone familiar with optics labs is familiar with the extremes of light coherence: laser beams are highly coherent, producing clear interference patterns used for precise applications like atomic manipulation or precise sensing. In contrast, light fr.....»»
Climatologists develop more accurate El Niño Southern Oscillation forecasts
Australian climatologists closely monitor atmospheric and oceanic conditions to assess the risk of El Niño Southern Oscillation (ENSO) events occurring, which can lead to devastating natural disasters, however these predictions have become somewhat.....»»
New method captures the stochastic dynamics in coherent X-ray imaging at the nanoscale
Coherent X-ray imaging has emerged as a powerful tool for studying both nanoscale structures and dynamics in condensed matter and biological systems. The nanometric resolution together with chemical sensitivity and spectral information render X-ray i.....»»
Researchers achieve super-Bloch oscillations in strong-driving regime
Full coherent control of wave transport and localization is a long-sought goal in wave physics research, which encompasses many different areas from solid-state to matter-wave physics and photonics. One among the most important and fascinating cohere.....»»
How climate patterns contribute to coral bleaching in the Great Barrier Reef
A new study finds a significant impact of the Madden-Julian Oscillation (MJO) and El Niño Southern Oscillation (ENSO) on coral bleaching events in the Great Barrier Reef (GBR)......»»
Studies unravel climate pattern impacts on the Antarctic Ice Sheet
New Monash research has untangled the influence of regional climate drivers, including the Southern Annular Mode (SAM) and the El Niño-Southern Oscillation (El Niño), on the Antarctic Ice Sheet. Snow accumulation and surface melting are two importa.....»»
Researchers realize time reversal through input-output indefiniteness
A research team has constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness. The study was published in Physical Review Lett.....»»
Ultrasensitive gas detection empowered by synergy of graphene and sub-comb dynamics
Since the inception of microcomb, whose generation relies on Kerr nonlinearity in microresonator, the coherent soliton state has attracted intense research. Although the operation of sub-comb outputs is straightforward, as a noncoherent comb state,.....»»
Research team realizes magnonic frequency comb
The optical frequency comb, a spectrum of optical radiation composed of evenly spaced and phase-coherent narrow spectral lines, was initially developed for precise time and frequency measurements. Over the past two decades, it has shown broad applica.....»»
Old crystal, new story for enhancing deep ultraviolet laser performance
In the realm of science and technology, harnessing coherent light sources in the deep ultraviolet (DUV) region holds immense significance across various applications such as lithography, defect inspection, metrology, and spectroscopy. Traditionally,.....»»
"Shear sound waves" provide the magic for linking ultrasound and magnetic waves
A team led by researchers from the RIKEN Center for Emergent Matter Science in Japan has succeeded in creating a strong coupling between two forms of waves—magnons and phonons—in a thin film. Importantly, they achieved this at room temperature, o.....»»
Global warming may intensify the modulation of tropical cyclone genesis by summer intraseasonal oscillation
Global warming, the long-term warming of Earth's overall temperature, has greatly accelerated in the last 100 years due to human factors such as the burning of fossil fuels. Along with this trend, certain atmospheric phenomena have also changed, such.....»»
Study shows promise of transceiver-based sensing for active monitoring of fiber networks
Researchers have successfully used a coherent transceiver prototype to detect polarization changes that preceded a cable break in a live network. The work, which is one of the first demonstrations of field-based measurements for an active cable break.....»»
Google’s latest AI video generator can render cute animals in implausible situations
Lumiere generates five-second videos that "portray realistic, diverse and coherent motion." Enlarge / Still images of AI-generated video examples provided by Google for its Lumiere video synthesis model. (credit: Google).....»»
A method to straighten curved space-time
One of the greatest challenges of modern physics is to find a coherent method for describing phenomena, on the cosmic and microscale. For over a hundred years, to describe reality on a cosmic scale we have been using general relativity theory, which.....»»