Tootfinder

En Espagne, l’étau judiciaire se referme autour du noyau dur qui a permis l’accession au pouvoir de Pedro Sanchez
https://www.lemonde.fr/international/artic

En Espagne, l’étau judiciaire se referme autour du noyau dur qui a permis l’accession au pouvoir de Pedro Sanchez
Depuis deux ans, plusieurs proches du président socialiste du gouvernement font l’objet d’enquêtes portant sur des soupçons de pots-de-vin. Jeudi, M. Sanchez a dû exiger la démission de l’homme clé de l’appareil du parti socialiste, Santos Cerdan.

Hilo con los ganadores de las categorías de (mi) interés en los Premios Pulsar 2025. Traído directamente de la cuenta del tuiters de los premios.
👇🏻
🔗 #PremiosPulsar

De los nominados a Álbum del Año en los Premios Pulsar 2025, el único que no he escuchado es el de Catalina y Las Bordonas de Oro. De hecho ni siquiera las conocía, así que tengo tarea.
Mis favoritos son Electrodomésticos y Gepe. Y yo hubiese agregado ademšs el Totém de Pedropiedra.
#PremiosPulsar #CatalinaYLasBordonasDeOro

Microscopic investigation of enhanced Pauli paramagnetism in metallic Pu$_2$C$_3$
R. Yamamoto, M. S. Cook, A. R. Altenhof, P. Sherpa, S. Park, J. D. Thompson, H. E. Mason, D. C. Arellano, D. V. Prada, P. H. Tobash, F. Ronning, E. D. Bauer, N. Harrison, W. A. Phelan, A. P. Dioguardi, M. Hirata
https://arxiv.org/abs/2506.09911

Microscopic investigation of enhanced Pauli paramagnetism in metallic Pu$_2$C$_3$
A combined study of the structural and electronic properties of polycrystalline Pu$_2$C$_3$ is reported based on x-ray diffraction, specific heat, magnetic susceptibility, ${}^{13}$C nuclear magnetic resonance (NMR), and band structure calculations. X-ray diffraction reveals a global noncentrosymmetric cubic lattice, with a nearest-neighbor C--C bond length of $r = 1.38$ Å. ${}^{13}$C NMR measurements indicate that the global cubic symmetry is locally broken, revealing two unique carbon enviro…

The pursuit of happiness
Debora Princepe, Onofrio Mazzarisi, Erol Akcay, Simon A. Levin, Matteo Marsili
https://arxiv.org/abs/2506.10537 https://

The pursuit of happiness
Happiness, in the U.S. Declaration of Independence, was understood quite differently from today's popular notions of personal pleasure. Happiness implies a flourishing life - one of virtue, purpose, and contribution to the common good. This paper studies populations of individuals - that we call homo-felix - who maximise an objective function that we call happiness. The happiness of one individual depends on the payoffs that they receive in games they play with their peers as well as on the hap…

Huge anisotropic magneto-thermal switching in high-purity polycrystalline compensated metals
Poonam Rani, Yuto Watanabe, Takuma Shiga, Yuya Sakuraba, Hikaru Takeda, Minoru Yamashita, Ken-ichi Uchida, Aichi Yamashita, Yoshikazu Mizuguchi
https://arxiv.org/abs/2506.00427

Huge anisotropic magneto-thermal switching in high-purity polycrystalline compensated metals
Magneto-thermal transport is a promising physical property for thermal management applications. Magneto-thermal switching enables active control of heat flows, and a high switching ratio is desirable for improving performance. Here, we report on the observation of a huge magneto-thermal switching (MTS) effect in high-purity (5N) Pb polycrystalline wires, where magnetic fields perpendicular to the heat current direction are applied at low temperatures. At T = 3 K and B = 0.1 T, the measured ther…

Risks of AI-driven product development and strategies for their mitigation
Jan G\"opfert, Jann M. Weinand, Patrick Kuckertz, Noah Pflugradt, Jochen Lin{\ss}en
https://arxiv.org/abs/2506.00047

Risks of AI-driven product development and strategies for their mitigation
Humanity is progressing towards automated product development, a trend that promises faster creation of better products and thus the acceleration of technological progress. However, increasing reliance on non-human agents for this process introduces many risks. This perspective aims to initiate a discussion on these risks and appropriate mitigation strategies. To this end, we outline a set of principles for safer AI-driven product development which emphasize human oversight, accountability, and…

PolyGuard: Massive Multi-Domain Safety Policy-Grounded Guardrail Dataset
Mintong Kang, Zhaorun Chen, Chejian Xu, Jiawei Zhang, Chengquan Guo, Minzhou Pan, Ivan Revilla, Yu Sun, Bo Li
https://arxiv.org/abs/2506.19054

PolyGuard: Massive Multi-Domain Safety Policy-Grounded Guardrail Dataset
As LLMs become widespread across diverse applications, concerns about the security and safety of LLM interactions have intensified. Numerous guardrail models and benchmarks have been developed to ensure LLM content safety. However, existing guardrail benchmarks are often built upon ad hoc risk taxonomies that lack a principled grounding in standardized safety policies, limiting their alignment with real-world operational requirements. Moreover, they tend to overlook domain-specific risks, while…

¡Uh! Verdad que eran hoy los Premios Pulsar 😳😥

This https://arxiv.org/abs/2505.18468 has been replaced.
initial toot: https://mastoxiv.page/@a…

Generalized many-body exciton g-factors: magnetic hybridization and non-monotonic Rydberg series in monolayer WSe\textsubscript{2}
Magneto-optics of low dimensional semiconductors, such as monolayer transition metal dichalcogenides, offers a vast playground for exploring complex quantum phenomena. However, current \textit{ab initio} approaches fail to capture important experimental observations related to brightening of excitonic levels and their g-factor dependence. Here, we develop a robust and general first principles framework for many-body exciton g-factors by incorporating off-diagonal terms for the spin and orbital …