Tootfinder

London #FT reports on investors that lost billions on #PumpAndDump stock scheme that inflated values of little known traded entities of small US-listed #ChineseStocks that plunged in value shortly after being heavily

Spin decoherence dynamics of Er$^{3 }$ in CeO$_2$ film
Sagar Kumar Seth, Jonah Nagura, Vrindaa Somjit, Aneesh Bapat, Xinhao Li, Gregory D. Grant, Ignas Masiulionis, Xu Han, F. Joseph Heremans, Giulia Galli, David D. Awschalom, Supratik Guha, Jiefei Zhang
https://arxiv.org/abs/2508.12429

Spin decoherence dynamics of Er$^{3+}$ in CeO$_2$ film
Developing telecom-compatible spin-photon interfaces is essential towards scalable quantum networks. Erbium ions (Er$^{3+}$) exhibit a unique combination of a telecom (1.5 $μ$m) optical transition and an effective spin-$1/2$ ground state, but identifying a host that enables heterogeneous device integration while preserving long optical and spin coherence remains an open challenge. We explore a new platform of Er$^{3+}$:CeO$_2$ films on silicon, offering low nuclear spin density and the potenti…

Maybe it wasn’t a waste of time after all.
““We were able to win the following concession: That the United States could offer Article 5-like protection, which is one of the real reasons why Ukraine wants to be in NATO,” Witkoff told CNN’s “State of the Union.”
But the question is, what about the territory?
#RussiaUkraineWar
https://apnews.com/article/trump-witkoff-ukraine-russia-putin-war-048aa829a69b4020ca368577bfe18aee

Officials from various European countries took to social media to share their reactions following the Alaska summit.
"Putin got his red carpet treatment with Trump, Trump got nothing,"
German diplomat Wolfgang Ischinger wrote on X.
"As was to be feared: no ceasefire, no peace. No real progress
— clearly 1:0 for Putin
— no new sanctions.
For the Ukrainians: nothing.
For Europe: deeply disappointing."
During the post-summit …

'Clearly 1:0 to Putin' — European officials react to Alaska Summit
"Putin got his red carpet treatment with Trump, Trump got nothing. ... For the Ukrainians: nothing. For Europe: deeply disappointing."

MSNBC Host Says Karoline Leavitt Looked 'Ashen' After Putin Meeting (Catherine Bouris/The Daily Beast)
https://www.thedailybeast.com/msnbc-host-says-karoline-leavitt-looked-ashen-in-alaska-following-putin-meeting/
http://www.memeorandum.com/250817/p33#a250817p33

No ceasefire, possible land swaps, vague security guarantees: Everything we know following Trump’s meeting with Putin: https://benborges.xyz/2025/08/16/no-ceasefire-possible-land-swaps.html

Pink noise in Electric Current from Amplitude Modulations
Masahiro Morikawa, Akika Nakamichi
https://arxiv.org/abs/2508.11369 https://arxiv.org/pdf/2508.11…

Pink noise in Electric Current from Amplitude Modulations
We recently proposed that the general origin of 1/f fluctuation, or pink noise, is the amplitude modulation (or beat) of many waves with accumulating frequencies. In this paper, we verify this proposal in the electric current system. We use the classical Langevin equation to describe the electron wave packets flowing in the (semi-)conductor, affected by the back reaction of soft photon emission. If this were amplitude modulation, a demodulation process is needed to extract the fluctuation featu…

Apparent Resonance Splitting in Self-Coupled Excitonic Systems
Avishek Sarbajna, Qitong Li, Dorte Rub{\ae}k Danielsen, Skyler Peitso Selvin, Duc Hieu Nguyen, Manh-Ha Doan, Peter B{\o}ggild, Mark L. Brongersma, S{\o}ren Raza
https://arxiv.org/abs/2508.11370

Apparent Resonance Splitting in Self-Coupled Excitonic Systems
Thin films of high-refractive-index excitonic materials enable self-coupling by simultaneously supporting intrinsic excitonic transitions and optical resonances. These optical resonances take the form of Fabry-Perot resonances in thick films and absorption resonances in ultrathin films placed on metallic substrates. Here, we investigate whether these optical resonances lead to true exciton-photon hybridization. Using far-field reflectance and spectrally resolved photocurrent measurements, we st…

Measurement of radiant spectrum for excess heat generation in NiCu and Ni thin film during hydrogen gas desorption
J. Kasagi, T. Itoh, Y. Shibasaki, Y. Iwamura
https://arxiv.org/abs/2509.13847

Measurement of radiant spectrum for excess heat generation in NiCu and Ni thin film during hydrogen gas desorption
Heat production in Ni-based thin films interacting with hydrogen gas was studied using a radiation calorimeter equipped with a composite photon-detector system. Measurements were performed on pure Ni foil and NiCu composite thin films. Electromagnetic radiation emitted from samples heated to approximately 1100 K in vacuum was recorded over the energy range of 0.05 - 2.5 eV. In this study,detailed spectra were obtained, particularly in the low-energy region below 0.5 eV. The peak of the thermal …

TESS Subgiant and Lower Red Giant Asteroseismology in the Continuous Viewing Zones
Sophia Grusnis, Jamie Tayar, Diego Godoy-Rivera
https://arxiv.org/abs/2509.12513 https://

TESS Subgiant and Lower Red Giant Asteroseismology in the Continuous Viewing Zones
Asteroseismology, the study of stellar oscillations, and stellar modeling both offer profound insights into the fundamental properties and evolution of stars. With pySYD, a new open-source Python package, we were able to constrain the asteroseismic global parameters, $ν_{max}$ and $Δν$, for 82 solar-like oscillating subgiant and lower red giant stars, filling in the region between the Kepler dwarfs and giants. Using asteroseismic scaling relations, we were able to compute seismic masses, rad…