To better understand extreme weather, scientists created a new framework that couples AI weather forecasts with a physics model for rare weather events. The framework boosts sampling of these rare weather events at much lower computational costs. Learn more: https://go.aps.org/4pVI61U

The first quantitative measurement of the antineutrino flux from shutdown-reactor cores and nearby spent-fuel pools suggests that antineutrinos could be used to monitor possibly illicit nuclear material even when reactors are not running.

Detecting the Illicit Removal of Nuclear Fuel

Spent nuclear fuel and shutdown nuclear reactors emit antineutrinos, which nuclear watchdogs could use for real-time monitoring of plants.

physics.aps.org

For the first time, scientists captured the topological acoustic rainbow on a silicon chip. They constructed artificial magnetic and electric fields on a silicon chip and demonstrated that topological chiral edge states can capture the bulk rainbow. More: https://go.aps.org/3TFRavS

A new paper suggests that altermagnetic lattice models with sublattice currents can achieve odd-parity spin splitting. The results expand on fundamental altermagnetism research and open new frontiers in the design of spintronic devices. 🔗 https://go.aps.org/3TzcvqR

A computational study shows that quantum Coulomb liquids of different rank can emerge in a breathing pyrochlore antiferromagnet, establishing a minimal 3D setting where quantum Coulomb liquids of different gauge rank emerge in a single spin-1/2 Hamiltonian: https://go.aps.org/45CS7Yv

This study describes a new physical mechanism that overcomes a big limitation in topological wave manipulation: narrow k-space of flat Landau levels. Scientists achieved it by artificially synthesizing pseudo-magnetic and pseudo-electric fields. Read more: https://go.aps.org/4xiF1LO

This proof-of-concept study shows evidence of quark-gluon-quark interference inside the proton, suggesting that protons are more quantum in nature than usually assumed. Read the paper: https://go.aps.org/4w2HvNu

#OnTheCover: Interference between Bloch oscillations and Zitterbewegung on a photonic frequency chain, arising from coexisting Abelian and non-Abelian electric fields. Read the full issue: https://go.aps.org/4bSZfn8

Researchers have run simulations on a supercomputer to gain insights that could make it easier for ITER and other large tokamaks to attain quasicontinuous exhaust, a mode that removes excess heat while keeping the plasma tightly confined.

Tapping Tokamak Turbulence

Supercomputer simulations reveal how turbulence supports a Goldilocks regime for operating a fusion reactor.

physics.aps.org

Using ionization-only signals with the XENONnT platform, scientists perform a blinded search for dark matter particles and set confidence level upper limits on multiple light dark matter models. Learn more: https://go.aps.org/4h6ACH4

This new turbulence mechanism reconciles one of the main challenges in fusion energy: high plasma confinement with efficient heat exhaust. The study also describes the turbulence of the quasicontinuous exhaust regime in fusion plasmas. Read the paper: https://go.aps.org/44WY5Du

Taking superselection rules into account reveals the origin of non-Gaussianity in quantum states, this Letter says, showing that quadrature non-Gaussianity and nonzero stellar rank are witnesses to particle entanglement, overturning previous assumptions: https://go.aps.org/4yRNpni

Te-hyperdoped silicon can achieve high-performance short-wave infrared photonics — even at room temperature — by using both surface texturing and a back reflector to boost sub-bandgap absorbance. Read the paper: https://go.aps.org/4yNXJwn

A swarm of robots moves through a narrowing channel more quickly when they avoid contact with one another — results that highlight the importance of ‘no pushing’ for managing a crowd. Read the study in @physrevlett.aps.org: https://journals.aps.org/prl/abstract/10.1103/r9jy-hrv7

For the first time, scientists have demonstrated higher-order topology embedded in first-order topological bands. Their results come from an experiment using two identical acoustic spin-Chern insulators assembled into a heterostructure. Read the paper: https://go.aps.org/44OXEuO

Researchers formulate an innovative thermal analog of the Haldane model that supports one-way heat transport, and apply it to observe evidence of thermal chiral edge states and gather insights into heat transfer. 🔗 https://go.aps.org/44OYg3B

⚛️ This Letter provides a comprehensive model for the interactions of Rydberg-blockaded ensembles that act as superatoms by taking a bottom-up approach: https://go.aps.org/4x5YXBs

By combining symmetry-guided strain and magnetic-field tuning with elastocaloric measurements and first-principles calculations, researchers observe the thermodynamic signatures of the altermagnet MnF₂ for the first time. Read the paper: https://go.aps.org/4x8LgSt

Researchers used nearly 3,000 radio bursts to trace invisible plasma around galaxies and found that gas extended much farther than expected — reshaping our picture of how the universe’s “missing” matter is dispersed. Read the paper in @physrevlett.aps.org: https://go.aps.org/4fvrutf

By integrating WSe2 monolayer into an optical microcavity, researchers created hybrid light-matter particles known as Landau polaritons — enabling light-mediated valley control of quantum many-body states in 2D materials. Read more: https://go.aps.org/4fT055H

Theorists propose using the Nernst effect as a direct probe of Berry curvature to test topological superconductivity. The effect spontaneously occurs in chiral superconductors and could be a new way to detect topological superconductivity. 🔗 https://go.aps.org/3Rb59sT

#OnTheCover: Schematic representation of interaction amplitudes of the Sachdev-Ye-Kitaev and kinetically driven Bose-Hubbard models. Read the full issue: https://go.aps.org/4hrwi5g

A bootstrap extremization principle selects the linear Regge spectrum, with the graviton pole uniquely fixing the trajectory in gravitational theories: https://go.aps.org/45kobQJ #OpenAccess

By operating a silicon cantilever in its second resonance mode during atomic force microscopy, scientists achieved robust, constant-height chemical-structure scans an order of magnitude faster than typical methods. Read the Letter: https://go.aps.org/4x45ahv

Quantum computing meets machine learning. 🤝 Research in @physrevlett.aps.org presents a quantum neural network that runs on today's quantum hardware and can be trained and benchmarked with classical datasets. Read more: https://go.aps.org/4hpU0yO

Researchers have implemented a quantum neural network across two different quantum-computing platforms: trapped ions and superconducting qubits. The feat will help establish whether trainable models can make use of superposition and other quantum effects.

Quantum Neural Networks Face the Hardware Test

By implementing a quantum neural network using two quantum-computing platforms, researchers have taken steps toward determining whether such systems can reliably fulfill their theoretical promise.

physics.aps.org

A new study explores pairing mechanisms that lead to superconducting states in tetralayer rhombohedral graphene, showing how spin and valley polarization influence the energetics of these states and revealing rich superconducting phenomenologies. 🔗 https://go.aps.org/4gMjy9b

Researchers identify a hidden mechanism for dissipation in topological insulators: near-field radiation generated by local current fluctuations, an energy loss channel that need not rely on backscattering or dephasing. Read the Letter: https://go.aps.org/4whpjR3

Researchers have proposed a way to realize the Sachdev-Ye-Kitaev (SYK) model in the lab using cold atoms. The proposal provides a practical path to simulating information scrambling in black holes and other quantum phenomena described by the SYK model.

A Map to a Long-Sought Quantum Simulator

Ultracold atoms in an optical lattice could emulate a prominent model of quantum matter linked to black holes and high-temperature superconductors.

physics.aps.org

A new experimental study extends excess entropy scaling laws to spin lattices, finding that the spin relaxation time scales exponentially with the eigen-microstate entropy. The approach could help predict dynamical properties of spin models. Read more: https://go.aps.org/4b7UtBT