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Academic Articles & Research Papers
Showing 20 of 7,733 academic articles
Bjørnar Julius Olsen, Michael Shanks, Timothy Webmoor, Christopher Witmore • University of California Press eBooks
(2012)
The “science of old things,” archaeology is marked by its care, obligation, and loyalty to things, from ancient cities in the Mexican heartland and megalithic monuments in Britain to the perfume jars of the ancient Greek city-state and Leic...
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DOI: https://doi.org/10.1525/california/9780520274167.001.0001
Richard G. Arendt, F. Yusef-Zadeh, I. Heywood • The Astrophysical Journal Supplement Series
(2025)
We present a catalog of 1.28 GHz radio filaments observed by MeerKAT over the innermost 200 pc of the Galaxy (roughly ±1 $\mathop{.}\limits^{\unicode{x000b0}}$ 5), which includes the central molecular zone. The catalog is generated by repur...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4365/ae1296
Kris Davidson • Galaxies
(2020)
Very massive stars occasionally expel material in colossal eruptions, driven by continuum radiation pressure rather than blast waves. Some of them rival supernovae in total radiative output, and the mass loss is crucial for subsequent evolu...
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Open Access (DOAJ)
DOI: 10.3390/galaxies8010010
A.M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et al. • Physics Letters B
(2020)
The fiducial cross section for Y(1S) pair production in proton-proton collisions at a center-of-mass energy of 13 TeV in the region where both Y(1S) mesons have an absolute rapidity below 2.0 is measured to be 79±11(stat)±6(syst)±3(B)pb ass...
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Open Access (DOAJ)
DOI: 10.1016/j.physletb.2020.135578
Hui Liu, Bo Zhao, Linquan Huang • Entropy
(2019)
The paper proposes a lossless quantum image encryption scheme based on substitution tables (S-box) scrambling, mutation operation and general Arnold transform with keys. First, the key generator builds upon the foundation of SHA-256 hash wi...
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Open Access (DOAJ)
DOI: 10.3390/e21040343
Tianbao Song, Zongyi Huang, Xin Liu, Jingbo Sun • Entropy
(2025)
This paper introduces a novel variational autoencoder model termed DVAE to prevent posterior collapse in text modeling. DVAE employs a dual-path architecture within its decoder: path A and path B. Path A makes the direct input of text insta...
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Open Access (DOAJ)
DOI: 10.3390/e27040423
Sumi Kim, Ena Choi, Amanda C. N. Quirk, Rachel S. Somerville et al. • The Astrophysical Journal
(2025)
We investigate the influence of supernova (SN) feedback on the satellites of elliptical host galaxies using hydrodynamic simulations. Utilizing a modified version of the GADGET-3 code, we perform cosmological zoom-in simulations of 11 ellip...
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Open Access (DOAJ)
DOI: 10.3847/1538-4357/adec96
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...
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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...
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Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae13b0
Harmanec P., Yang S., Šlechta M., Grundstrom E. D. et al. • Astronomy & Astrophysics
(2026)
Analysis of radial velocities of two narrow absorption components in the Mg II 4481 Å line demonstrated that the secondary of the Be star o Cas is indeed a close binary system composed of two B7 stars orbiting each other with a period of
...
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Open Access (DOAJ)
DOI: 10.1051/0004-6361/202659678
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...
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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...
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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
Chin-Chun Wu, Kan Liou, Brian E. Wood, Lynn Hutting • The Astrophysical Journal
(2024)
The propagation of interplanetary shocks, particularly those driven by coronal mass ejections (CMEs), is still an outstanding question in heliophysics and space weather forecasting. Here, we address the effects of the ambient solar wind on ...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ad88ee
Hubrig S., Järvinen S. P., Schöller M., Ilyin I. • Astronomy & Astrophysics
(2026)
Context. Recent observational studies suggest that Be stars most likely are formed through the process of mass transfer in binary systems. In view of the wide consensus that the origin of the magnetic field in stars with radiative envelopes...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202660036
Senbei Du, Merav Opher, Marc Kornbleuth • The Astrophysical Journal Letters
(2025)
The evolution of the velocity distribution of pickup ions is crucial for understanding the energetic neutral atom (ENA) fluxes observed by Interstellar Boundary Explorer. Pickup ions in the heliosheath contain two main components: those tra...
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Open Access (DOAJ)
DOI: 10.3847/2041-8213/adbc9a
Alice Knutas, Angela Adamo, Alex Pedrini, Sean T. Linden et al. • The Astrophysical Journal
(2025)
We present JWST NIRCam observations of the emerging young star clusters (eYSCs) detected in the nearby spiral galaxy M83. The NIRcam mosaic encompasses the nuclear starburst, the bar, and the inner spiral arms. The eYSCs, detected in Pa α a...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae018c
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...
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DOI: https://doi.org/10.1146/annurev.nucl.50.1.679
Adolf N. Witt, Geoffrey C. Clayton, B. T. Draine (2004)
Abstract. Currently ∼36 different absorption bands have been detected in the infrared spectra of cold, dense interstellar and circumstellar environments. These are attributed to the vibrational transitions of ∼17 different molecules frozen ...
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Ved Prakash, R Dharanishwari, Jayashree LM, Boya pavani • International Journal of Innovative Research in Information Security
(2023)
Astrophysics is a branch of space science that applies the laws of physics and chemistry to seek to understand the universe and our place in it. The field explores topics such as the birth, life and death of stars, planets, galaxies, nebula...
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DOI: https://doi.org/10.26562/ijiris.2023.v0903.09