Tootfinder

First detection of acoustic-like flux in the middle solar corona
V. Andretta (INAF - Osservatorio Astronomico di Capodimonte, Naples, Italy), L. Abbo (INAF - Osservatorio Astrofisico di Torino, Turin, Italy), G. Jerse (INAF - Osservatorio Astronomico di Trieste, Trieste, Italy), R. Lionello (Predictive Science Inc., San Diego, USA), G. Naletto (Universit\`a di Padova - Dip. Fisica e Astronomia "Galileo Galilei", Padua, Italy, CNR - Istituto di Fotonica e Nanotecnologie, Padua…

First detection of acoustic-like flux in the middle solar corona
Waves are thought to play a significant role in the heating of the solar atmosphere and the acceleration of the wind. Among the many types of waves observed in the Sun, the so-called p-modes with a 3 mHz frequency peak dominate the lower atmosphere. In the presence of magnetic fields, these waves can be converted into magnetohydrodynamic modes, which then leak into the corona through magnetic conduits. High-resolution off-limb observations have indeed revealed signatures of ubiquitous and globa…

Here’s the key point: Trump’s corruption of justice isn’t just individual; it’s categorical. We have grown accustomed to him rewarding his loyalists and punishing his critics. That he fired the prosecutors who worked on his federal criminal cases while pardoning the Jan. 6 rioters represents a textbook case of individual favoritism.
The Trump administration’s abuse of the civil rights division is something else entirely. It had already initiated a “litigation freeze” on filing new civil rights cases, and it had indicated that it was even going to reconsider previous settlements and consent decrees intended to address police misconduct.
...
Civil rights laws are designed in part to protect innocent citizens — including, of course, innocent citizens from minority communities — from unjust government officials. Here, the legal world is turned upside down. The Justice Department is using its civil rights division to protect an unjust government official who violated the civil rights of an innocent individual.
#USPolitics
https://www.nytimes.com/2025/07/20/opinion/dillon-taylor-justice-trump.html?unlocked_article_code=1.X08.0DWy.hF58YNdciy3A&smid=url-share

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Original post: https://bsky.app/profile/did:plc:gwp6j

Investigation of competing magnetic orders and the associated spin-phonon coupling effect in quasi-2D Cr1 xTe2 (x = 0.22) single crystal
Gayathri V, Sathishkumar M, Sandip Kumar Kuila, Vikash Kumar, Abhidev B, Reshna Elsa Philip, Partha Pratim Jana, Soham Manni
https://arxiv.org/abs/2507.13760

Investigation of competing magnetic orders and the associated spin-phonon coupling effect in quasi-2D Cr1+xTe2 (x = 0.22) single crystal
Single crystals of quasi-2D chromium telluride system represented by Cr1+xTe2 (x = 0.22), which crystallizes in the trigonal structure with the c-axis as the growth direction, are synthesized by the flux method. The magnetization measurements revealed the coexistence and competition between ferromagnetic and antiferromagnetic exchange interactions due to the presence of the intercalated Cr-layers. A series of diverse magnetic transitions is exhibited by the crystal. While cooling the crystal, i…

Hab's heute ~2h vor Sonnenuntergang doch noch #rausgeschafft. Bin von Züri zum #Greifensee geradelt, einmal drumherum und wieder zurück: 47.6km, 366hm. Jetzt, wo ich 'n 2. Akku fürs #BromptonElectricGLine

Neuer Wiederherstellungsassistant in macOS 26
Wie schon iPhone und iPad sollen sich nun auch Macs quasi selbst heilen können. Bei Startproblemen hilft ein neuer "Recovery Assistant":
https://www.

Altermagnetic magnon transport in the \textit{d}-wave altermagnet \ch{LuFeO3}
Edgar Galindez-Ruales, Wanting Yang, Tobias Dannegger Moumita Kundu, Jonas K\"ohler, Christin Schmitt Felix Fuhrmann, Akashdeep Akashdeep, Duc Minh Tran Xiaoxuan Ma, Gerhard Jakob, Shixun Cao, Ulrich Nowak, Mathias Kl\"aui
https://arxiv.org/abs/2508.145…

Altermagnetic magnon transport in the \textit{d}-wave altermagnet \ch{LuFeO3}
Altermagnets exhibit a spin-split band structure despite having zero net magnetization, leading to special magnonic properties such as anisotropic magnon lifetimes and field-free spin transport. Here, we present a direct experimental demonstration of non-local magnon transport in the \textit{d}-wave altermagnet \ch{LuFeO3}, using both spin Seebeck and spin Hall effect-based injection and detection. We observe a non-local spin signal at zero magnetic field when the transport is along an altermag…

Magnetars in Binaries as the Engine of Actively Repeating Fast Radio Bursts
Bing Zhang (HKU,UNLV), Rui-Chong Hu (UNLV)
https://arxiv.org/abs/2508.12119 https://

Magnetars in Binaries as the Engine of Actively Repeating Fast Radio Bursts
The association between FRB 20200428D and the Galactic magnetar SGR J1935+2154 makes magnetars the leading engine of cosmological fast radio bursts (FRBs). However, there is a list of puzzles for this magnetar-for-all-FRBs scenario: known Galactic magnetars are all isolated and none of them are active repeaters; some cosmological repeaters have extremely high repetition rates but without any measurable spin-related periodicity; some show long-term periodic active windows; and some show diverse …

Modeling HMI observables for the study of solar oscillations
D. Fournier, N. M. Kostogryz, L. Gizon, J. Schou, V. Witzke, A. I. Shapiro, I. Milic
https://arxiv.org/abs/2507.13756 …

Modeling HMI observables for the study of solar oscillations
Context: Helioseismology aims to infer the properties of the solar interior by analyzing observations of acoustic oscillations. The interpretation of the helioseismic data is however complicated by the non-trivial relationship between helioseismic observables and the physical perturbations associated with acoustic modes, as well as by various instrumental effects. Aims: We aim to improve our understanding of the signature of acoustic modes measured in the Helioseismic and Magnetic Imager (HMI) …

Alfv\'en wave propagation, reflection and trapping in the solar wind
Anmol Kumar, Thomas A. Howson, Paolo Pagano, Ineke De Moortel
https://arxiv.org/abs/2507.13809

Alfvén wave propagation, reflection and trapping in the solar wind
Alfvén waves are known to be important carriers of magnetic energy that could play a role in coronal heating and/or solar wind acceleration. As these waves are efficient energy carriers, how they are dissipated still remains one of the key challenges. Using a series of 1.5-D magnetohydrodynamic (MHD) simulations, we explore wave energy trapping associated with field-aligned density enhancements. We examine the parameters which govern the wave reflection and trapping. The goal of our simulation…