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Academic Articles & Research Papers
Showing 20 of 6,973 academic articles
Jeremiah D. Paul, Richard M. Plotkin • The Astrophysical Journal
(2026)
The origin of core radio emission in radio-quiet active galactic nuclei (AGNs) is still actively debated. General-relativistic magnetohydrodynamics simulations often predict the launching of moderately large-scale jets from super-Eddington ...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae36a6
Xulun Ye, Jieyu Zhao, Yu Chen • Entropy
(2018)
Multi-manifold clustering is among the most fundamental tasks in signal processing and machine learning. Although the existing multi-manifold clustering methods are quite powerful, learning the cluster number automatically from data is stil...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e20110830
Zhichen Jing, Ying Li, Dechao Song, Qiao Li et al. • The Astrophysical Journal
(2026)
We present observations of an X1.2 white-light flare on 2023 January 6, which exhibits a rare quadrupolar white-light source configuration. This event was observed by the White-light Solar Telescope (WST; 3600 Å) onboard the Advanced Space-...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae9161
Yanpeng Zhang, Wenjie Dong, Jing Zhang, Qun Ding • Entropy
(2023)
Most existing chaotic systems have many drawbacks in engineering applications, such as the discontinuous range of chaotic parameters, weak chaotic properties, uneven chaotic sequence outputs, and dynamic degradation. Therefore, based on the...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e25071005
Yasufumi Kojima • The Astrophysical Journal
(2024)
Magnetar outbursts are powered by an intense magnetic field. The phenomenon has recently drawn significant attention because of a connection to some fast radio bursts that has been reported. Understanding magnetar outbursts may provide the ...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ad7382
Niu Su, Er-Liang Cui, Yi-Wei Jiang, Hua-Xing Chen • European Physical Journal C: Particles and Fields
(2026)
Abstract Confirming the existence of hybrid states remains challenging due to their experimental indistinguishability from tightly bound tetraquarks and loosely bound molecules. To address this issue, we employ QCD sum rules to systematical...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-026-15939-y
Lachlan Passenger, Shun Yin Cheung, Nir Guttman, Nikhil Kannachel et al. • The Astrophysical Journal
(2025)
Gravitational-wave astronomy provides a promising avenue for the discovery of new physics beyond general relativity as it probes extreme curvature and ultrarelativistic dynamics. However, in the absence of a compelling alternative to genera...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae13b0
Tatiana M. Rodríguez, Emmanuel Momjian, Peter Hofner, Anuj P. Sarma et al. • The Astrophysical Journal
(2024)
We present Very Large Array 1.3 cm continuum and 22.2 GHz H _2 O maser observations of the high-mass protostellar object IRAS 19035+0641 A. Our observations unveil an elongated bipolar 1.3 cm continuum structure at scales ≲500 au, which, to...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ad182f
Daisuke Yoshida, Tomoyuki Horikiri • Communications Physics
(2024)
Abstract Quantum repeaters are pivotal in the physical layer of the quantum internet, and quantum repeaters capable of efficient entanglement distribution are necessary for its development. Quantum repeater schemes based on single-photon in...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s42005-024-01849-6
Meni-Gallardo P., Orell-Miquel J., Fernández-Rodríguez G., Parviainen H. et al. • Astronomy & Astrophysics
(2026)
Since the discovery of the first exoplanet, significant efforts have been made to characterise their atmospheres. Ultra-hot Jupiters (UHJs) are of particular interest due to their extended and hot atmospheres. Although previous studies have...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202557881
Chinmay S. Kulkarni, Thomas Behling, Elisabeth E. Banks, Jason Jones et al. • The Astrophysical Journal
(2026)
Infrared observations can probe photometric variability across the full evolutionary range of young stellar objects (YSOs), from deeply embedded protostars to pre-main-sequence stars with dusty disks. We present 3–8 μ m light curves extendi...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae3156
Cano-González M., Schödel R., Alberdi A., Najarro F. et al. • Astronomy & Astrophysics
(2026)
Context. The Arches cluster, located in the Galactic Centre (GC) is one of the best astrophysical laboratories to study the properties of massive stars and young massive clusters (YMCs). However, despite having been observed for decades at ...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202660846
Yuhang Liu, Fei Mei, Jun Zhang, Xiang Dai et al. • Entropy
(2026)
The core component to ensure the refined and safe operation of distribution network scheduling is 10 kV bus load probabilistic prediction. However, existing probabilistic prediction methods suffer from insufficient dynamic feature extractio...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e28030329
J. G. Learned, Karl Mannheim M • Annual Review of Nuclear and Particle Science
(2000)
▪ Abstract High-energy (>100 MeV) neutrino astrophysics enters an era of opportunity and discovery as the sensitivity of detectors approaches astrophysically relevant flux levels. We review the major challenges for this emerging field, amon...
OPENALEX
DOI: https://doi.org/10.1146/annurev.nucl.50.1.679
Bradley W. Carroll, Dale A. Ostlie, Michael W. Friedlander • Physics Today
(1997)
An Introduction to Modern Astrophysics is a comprehensive, well-organized and engaging text covering every major area of modern astrophysics, from the solar system and stellar astronomy to galactic and extragalactic astrophysics, and cosmol...
OPENALEX
DOI: https://doi.org/10.1063/1.881827
Thomas W Hartquist, David A. Williams (1998)
Abstract This book provides a comprehensive survey of modern molecular astrophysics. It includes an introduction to molecular spectroscopy and then addresses the main areas of current molecular astrophysics, including galaxy formation, star...
OPENALEX
DOI: https://doi.org/10.1093/oso/9780198501589.001.0001
Katsavrias C., Di Matteo S., Chhiber R., Kepko L. et al. • Astronomy & Astrophysics
(2026)
Context. Quasi-periodic density structures (PDSs) are quasiperiodic variations in the solar wind density that range from a few minutes to a few hours. They are trains of advected density structures with radial length scales LR ≈ 100 − 10 00...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202658943
Mohammad Ridwan, Zulfiquar Ali Antor, Jeremy Ko, Mohammad Haseeb et al. • Waste Management Bulletin
(2026)
Municipal waste generation remains a persistent sustainability challenge, even in countries with strong environmental governance and circular economy ambitions. Yet it remains unclear how affluence, household final consumption expenditure a...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.wmb.2026.100394
Mark M.J. Wilson, Peter Tatham, John Payne, Cécile L’Hermitte et al. • Journal of Humanitarian Logistics and Supply Chain Management
(2018)
Purpose – The purpose of this paper is to discuss the challenges inherent in planning and responding to disaster events in a multi-agency context where numerous governmental and non-governmental actors and agencies are involved in the plann...
DOAJ
Open Access (DOAJ)
DOI: 10.1108/JHLSCM-03-2017-0008
Zihao Qiu, Siyu Chen, Zixin Feng, Ruitong Luo et al. • Frontiers in Physics
(2025)
Futures, as significant financial derivatives, play a crucial role in financial markets by fulfilling price discovery functions and providing efficient risk hedging tools. Against the backdrop of geopolitical conflicts, market risk emerges ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fphy.2025.1674717