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All-Electron Relativistic Fully Self-Consistent $GW$ Study of Heteronuclear Actinide-Containing Diatomics
arXiv:2605.31571v1 Announce Type: new Abstract: The fully self-consistent $GW$ (sc$GW$) approximation provides a Green's-function approach that is starting-point independent and offers a favorable cost-to-accuracy balance compared to high-level wavefunction methods. Here, we present an all-electron sc$GW$ study of uranium-containing diatomics (UC, UN, UO, and UF), incorporating relativistic effects through the exact two-component (X2C) formalism. We evaluate adiabatic ionization energies as...
Parents warned over 'dangerous children's toy' which can cause 'severe injury or death'
Parents warned over 'dangerous children's toy' which can cause 'severe injury or death' A professor warned that they had the 'potential to harm a large number of children and young people' Parents are being warned about a child's toy that has been branded 'dangerous' and which could prove fatal. Consumer rights group Which? posted a message on its social media account urging parents to be mindful of magnets.
Pitot-Aided Attitude and Air Velocity Estimation with Almost Global Asymptotic Stability Guarantees
Announce Type: replace Abstract: This paper investigates the problem of attitude and air velocity estimation for fixed-wing unmanned aerial vehicles (UAVs) using IMU measurements and at least one Pitot tube measurement, with almost global asymptotic stability (AGAS) guarantees. A cascade observer architecture is developed, in which a Riccati/Kalman-type filter estimates the body-fixed frame air velocity and the vehicle's tilt using IMU data as inputs and Pitot measurements as outputs. Under...
New maps chart old-growth forests across Alaska and British Columbia
New maps chart old-growth forests across Alaska and British Columbia Lisa Lock Scientific Editor Andrew Zinin Lead Editor Mature and old-growth forests are vital for biodiversity, carbon storage, cultural traditions and economic activity. But in Alaska and British Columbia, these rich resources have not been reliably mapped, leaving much unknown about what land is protected. Now, University of Oregon researchers are leading a comprehensive mapping effort that sheds light on the location,...