All Disciplines – Page 5 – Kavli Institute Pre-Print Publications

The Long Road to Alignment: Measuring Black Hole Spin Orientation with Expanding Gravitational-Wave Datasets

Posted by dbos May 20, 2025May 28, 2025MIT, This Week: Astrophysics

Kavli Affiliate: Salvatore Vitale | First 5 Authors: Salvatore Vitale, Matthew Mould, , , | Summary: Measuring the distribution of spin tilts-the angles between the spin vectors and the binary orbital angular momentum-in stellar-mass binary black holes detected by LIGO-Virgo-KAGRA would provide valuable insight into their astrophysical origins. Analyses of the 69 binary black holes […]

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Dynamic Resting-State Network Markers of Disruptive Behavior Problems in Youth

Posted by dbos May 20, 2025May 28, 2025Hopkins, This Week: Neuroscience

Kavli Affiliate: Martin Lindquist | Authors: Heather Shappell, Zhiyuan Liu, Mohammadreza Khodaei, George He, Dylan Gee, Martin Lindquist, Denis G. Sukhodolsky, Gregory McCarthy and Karim Ibrahim | Summary: Background Childhood disruptive behavior problems are linked to aberrant integrity within large-scale cognitive control networks. However, it is unclear if transitory or dynamic variation in the functional […]

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Spin Pumping into two-dimensional systems

Posted by dbos May 20, 2025May 28, 2025This Week: Theoretical Physics, UCAS

Kavli Affiliate: Mamoru Matsuo | First 5 Authors: Yuya Ominato, Masaki Yama, Ai Yamakage, Mamoru Matsuo, Takeo Kato | Summary: In this review, we present recent theoretical developments on spin transport phenomena probed by ferromagnetic resonance (FMR) modulation in two-dimensional systems coupled to magnetic materials. We first address FMR linewidth enhancements induced by spin pumping […]

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First Identification and Precise Spectral Measurement of the Proton Component in the Cosmic-Ray `Knee’

Posted by dbos May 20, 2025May 28, 2025Peking, This Week: Astrophysics

Kavli Affiliate: Zhuo Li | First 5 Authors: The LHAASO Collaboration, Zhen Cao, , , | Summary: We report the first high-purity identification of cosmic-ray (CR) protons and a precise measurement of their energy spectrum from 0.15 to 12 PeV using the Large High Altitude Air Shower Observatory (LHAASO). Abundant event statistics, combined with the […]

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ProMind-LLM: Proactive Mental Health Care via Causal Reasoning with Sensor Data

Posted by dbos May 20, 2025May 28, 2025Caltech, This Week: Nanoscience

Kavli Affiliate: Wei Gao | First 5 Authors: Xinzhe Zheng, Sijie Ji, Jiawei Sun, Renqi Chen, Wei Gao | Summary: Mental health risk is a critical global public health challenge, necessitating innovative and reliable assessment methods. With the development of large language models (LLMs), they stand out to be a promising tool for explainable mental […]

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Mass of Cepheid V350 Sgr Incorporating Interferometry and the Companion Mass

Posted by dbos May 19, 2025May 28, 2025MIT, This Week: Astrophysics

Kavli Affiliate: Moritz Guenther | First 5 Authors: Nancy Remage Evans, Alexandre Gallenne, Pierre Kervella, H. Moritz Guenther, Joanna Kuraszkiewicz | Summary: The system V350 Sgr has a classical Cepheid for the primary. Interferometry is presented for the system and the full orbit is determined. The mass of the companion has been determined from an […]

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Origin of the X-ray emission in blazars through multiwavelength polarization

Posted by dbos May 19, 2025May 28, 2025Stanford, This Week: Astrophysics

Kavli Affiliate: Roger W. Romani | First 5 Authors: Ioannis Liodakis, Haocheng Zhang, Stella Boula, Riccardo Middei, Jorge Otero-Santos | Summary: The origin of the high-energy emission in astrophysical jets from black holes is a highly debated issue. This is particularly true for jets from supermassive black holes that are among the most powerful particle […]

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DD-Ranking: Rethinking the Evaluation of Dataset Distillation

Posted by dbos May 19, 2025May 28, 2025This Week: Theoretical Physics, UCAS

Kavli Affiliate: Zheng Zhu | First 5 Authors: Zekai Li, Xinhao Zhong, Samir Khaki, Zhiyuan Liang, Yuhao Zhou | Summary: In recent years, dataset distillation has provided a reliable solution for data compression, where models trained on the resulting smaller synthetic datasets achieve performance comparable to those trained on the original datasets. To further improve […]

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ALMA observation of evolving magnetized corona in the radio-quiet changing-state AGN NGC 1566

Posted by dbos May 19, 2025May 28, 2025Peking, This Week: Astrophysics

Kavli Affiliate: Claudio Ricci | First 5 Authors: Arghajit Jana, Claudio Ricci, Sophie M. Venselaar, Chin-Shin Chang, Mai Liao | Summary: The origin of compact millimeter (mm) continuum emission from radio-quiet AGNs (RQAGNs) is still not fully understood. Changing-state AGNs (CSAGNs) display rapid and strong variability, which can allow us to investigate the origin of […]

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Unifying Strain-driven and Pressure-driven Superconductivity in La$_{3}$Ni$_{2}$O$_{7}$: Suppressed charge/spin density waves and enhanced interlayer coupling

Posted by dbos May 19, 2025UCAS

Kavli Affiliate: Bo Gu | First 5 Authors: Xin-Wei Yi, Wei Li, Jing-Yang You, Bo Gu, Gang Su | Summary: Recent strain-stabilized superconductivity at ambient pressure in La$_3$Ni$_2$O$_{7}$ films opens new avenues for nickelates research, in parallel with its pressure-induced counterpart. Using density functional theory calculations, we elucidate the critical factors bridging strain- and pressure-driven […]

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