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UK's Cameron to warn that West has not learned lessons of Ukraine-Russia war: https://benborges.xyz/2024/05/09/uks-cameron-to.html

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NIS2-Umsetzung: BMI gibt Referentenentwurf in Anhörung
Stärkung der IT-Sicherheit ist Ziel der EU-Richtlinie NIS2. Deutschland macht sich an die Umsetzung - mit Verspätung und Ausnahmen.​
https://www.

Guten Morgen Wedding! Neue Forschungsgebäude an der Amrumer Straße

Umbruch bei den „Reds“ - Klopp-Nachfolger: Liverpool mit neuem Coach einig! #News #Nachrichten

Generative Explanations for Program Synthesizers
Amirmohammad Nazari, Souti Chattopadhyay, Swabha Swayamdipta, Mukund Raghothaman
https://arxiv.org/abs/2403.03429

Generative Explanations for Program Synthesizers
Despite great advances in program synthesis techniques, they remain algorithmic black boxes. Although they guarantee that when synthesis is successful, the implementation satisfies the specification, they provide no additional information regarding how the implementation works or the manner in which the specification is realized. One possibility to answer these questions is to use large language models (LLMs) to construct human-readable explanations. Unfortunately, experiments reveal that LLMs …

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Autoresonant Ash Removal in Mirror Machines
Magnetic confinement fusion reactors produce ash particles that must be removed for efficient operation. It is suggested to use autoresonance (a continuous phase-locking between anharmonic motion and a chirped drive) to remove the ash particles from a magnetic mirror, the simplest magnetic confinement configuration. An analogy to the driven pendulum is established via the guiding center approximation. The full 3D dynamics is simulated for $α$ particles (the byproduct of DT fusion) in agreement…

Anharmonic phonons with Gaussian processes
Keerati Keeratikarn, Jarvist Moore Frost
https://arxiv.org/abs/2405.05113 https://arxiv.or…

Anharmonic phonons with Gaussian processes
We provide a method for calculating anharmonic lattice dynamics, by building a surrogate model based on Gaussian Processes (GPs). Due to the underlying Gaussian form of a GP, the model is infinitely differentiable. This allows us to train the model trained directly on forces (the derivative of PESs) reducing the evaluations required for a given accuracy. We can extend this differentiation to directly calculate second and third order force-constants using automatic differentiation (AD). For the …

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Hierarchical Characterization of Thermoelectric Performance in Copper-Based Chalcogenide CsCu$_3$S$_2$: Unveiling the role of Anharmonic Lattice Dynamics
Jincheng Yue, Junda Li, Jiongzhi Zheng, Xingchen Shen, Wenling Ren, Geoffroy Hautier, Yanhui Liu, Tian Cui
https://arxiv.org/abs/2405.04832

Hierarchical Characterization of Thermoelectric Performance in Copper-Based Chalcogenide CsCu$_3$S$_2$: Unveiling the role of Anharmonic Lattice Dynamics
Fundamental understanding of anharmonic lattice dynamics and heat conductance physics in crystalline compounds is critical for the development of thermoelectric energy conversion devices. Herein, we thoroughly investigate the microscopic mechanisms of thermal transport in CsCu$_3$S$_2$ by coupling the self-consistent phonon (SCP) theory with the linearized Wigner transport equation (LWTE). We explicitly consider both phonon energy shifts and broadening arising from both cubic and quartic anharm…