New theory links quantum geometry to electron-phonon coupling
A new study published in Nature Physics introduces a theory of electron-phonon coupling that is affected by the quantum geometry of the electronic wavefunctions......»»
Updating the textbook on polarization in gallium nitride to optimize wide bandgap semiconductors
An updated model reconciles the gap between recent experiments and theory concerning polarization in wurtzite semiconductors—paving the way for the development of smaller, faster and more efficient electronic devices, according to a recent study by.....»»
Researchers achieve high quantum yield in photocatalytic water splitting
In photocatalytic water splitting, a photocatalyst, typically a semiconductor material, is used to absorb light energy and initiate the water splitting reaction. When light is absorbed by the photocatalyst, it creates electron-hole pairs. The excited.....»»
Magnesium-18"s unique decay process: From theory to practice
Led by physicist Si-Min Wang, the research team at Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, and Shanghai Research Center for Theoretical Nuclear Physics, NSFC, Fudan University, has documented tha.....»»
Lastwall Quantum Shield delivers protection against Q-Day threats
Lastwall launched Quantum Shield, a quantum resilient product that protects conventional network infrastructures with the latest quantum cryptographic standards. Lastwall is backed by Blue Bear Capital, BlueWing Ventures, and 18 West Capital Partners.....»»
Re-analyzing LHC Run 2 data with cutting-edge analysis techniques allowed physicists to address old discrepancy
Supersymmetry (SUSY) is an exciting and beautiful theory that answers some of the open questions in particle physics. It predicts that all known particles have a "superpartner" with somewhat different properties. For example, the heaviest quark of th.....»»
Visual explanations of machine learning models to estimate charge states in quantum dots
A group of researchers has successfully demonstrated automatic charge state recognition in quantum dot devices using machine learning techniques, representing a significant step toward automating the preparation and tuning of quantum bits (qubits) fo.....»»
New mathematical model sheds light on the absence of breastfeeding in male mammals
Being nursed by a single parent could be an evolutionary strategy to curb the spread of harmful microbes in mammals, according to a novel theory developed by mathematicians......»»
New Understandings of Food, Fat, Fitness and Evolution
Quantum observers, migrating mangroves, the deep history of an asteroid and understanding appetite in this issue of Scientific American.....»»
July/August 2024: Three New Books, Reviewed
A riveting quest to map the world; quantum physics in a four-act drama; climate solutions that show what we’re doing right.....»»
Can AI Save Schrödinger’s Cat?
Outcomes in quantum mechanics depend on observations. But must the observer be human?.....»»
Time-compression in electron microscopy: Terahertz light controls and characterizes electrons in space and time
Scientists at the University of Konstanz in Germany have advanced ultrafast electron microscopy to unprecedented time resolution. Reporting in Science Advances, the research team presents a method for the all-optical control, compression, and charact.....»»
Researchers capture detailed picture of electron acceleration in one shot
Adjusting experimental methods achieved the first "single-shot" diagnosis of electron acceleration through a laser wakefield accelerator along a curved trajectory, according to a recent study led by University of Michigan researchers. The findings ar.....»»
New calculation approach allows more accurate predictions of how atoms ionize when impacted by high-energy electrons
During electron-impact ionization (EII), high-energy electrons collide with atoms, knocking away one or more of their outer electrons. To calculate the probability that ionization will occur during these impacts, researchers use a quantity named the.....»»
Engineers produce the world"s first practical Titanium-sapphire laser on a chip
As lasers go, those made of Titanium-sapphire (Ti:sapphire) are considered to have "unmatched" performance. They are indispensable in many fields, including cutting-edge quantum optics, spectroscopy, and neuroscience. But that performance comes at a.....»»
Quantum state mixing in photobiology: New insight from ultrafast terahertz Stark spectroscopy
The membrane protein bacteriorhodopsin is a proton pump, in which proton transport is initiated by the light-induced isomerization of the chromophore retinal. The molecular quantum states involved in this ultrafast reaction have now been characterize.....»»
Quantum annealer improves understanding of quantum many-body systems
Physicists have long been pursuing the idea of simulating quantum particles with a computer that is itself made up of quantum particles. This is exactly what scientists at Forschungszentrum Jülich have done together with colleagues from Slovenia......»»
Speeding through the microcosm: Insights into ultrafast electron and lattice dynamics
A study has unlocked new dimensions in understanding the ultrafast processes of charge and energy transfer at the microscale. The research delves into the dynamics of microscopic particles, providing insights that could revolutionize semiconductor an.....»»
What Came Before the Big Bang?
By studying the geometry of model space-times, researchers offer alternative views of the universe’s first moments......»»
Untangling the entangled: Quantum study shines fresh light on how neutrinos fuel supernovae
Researchers used quantum simulations to obtain new insights into the nature of neutrinos—the mysterious subatomic particles that abound throughout the universe—and their role in the deaths of massive stars......»»
We now have even more evidence against the “ecocide” theory of Easter Island
AI analysis of satellite imagery data is a new method for estimating population size. Enlarge / New research lends further credence to the "population crash" theory about Easter Island being just a myth. (credit: Arian Zwegers/CC.....»»