Showing 20 of 13,979 academic articles
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...
DOAJ
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...
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
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
...
DOAJ
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...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202557881
Ya-Ping Xie, V. P. Gonçalves • European Physical Journal C: Particles and Fields
(2024)
Abstract Information about the three-dimensional description of the quark and gluon content of hadrons, described by the generalized parton distributions (GPDs), can be probed by exclusive processes in electron–proton (ep) collisions. In th...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-024-13296-2
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
N. Dimakis, Alex Giacomini, Andronikos Paliathanasis • European Physical Journal C: Particles and Fields
(2017)
Abstract For a family of Horndeski theories, formulated in terms of a generalized Galileon model, we study the integrability of the field equations in a Friedmann–Lemaître–Robertson–Walker space-time. We are interested in point transformati...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-017-5029-9
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
M. Hidalgo-Soria, E. Barkai, S. Burov • Entropy
(2021)
We study a two state “jumping diffusivity” model for a Brownian process alternating between two different diffusion constants, D+>D−, with random waiting times in both states whose distribution is rather general. In the limit of long measur...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23020231
Philippe Loubaton, Florian Dupuy • Entropy
(2012)
This paper provides a comprehensive introduction of large random matrix methods for input covariance matrix optimization of mutual information of MIMO systems. It is first recalled informally how large system approximations of mutual inform...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e14112122
Edgar Huayra, Emmanuel G. de Oliveira, Roman Pasechnik • European Physical Journal C: Particles and Fields
(2020)
Abstract We discuss the associated $$c\bar{c}$$ cc¯ and $$b\bar{b}$$ bb¯ quark pairs production in the double-parton scattering (DPS) process in ultraperipheral (UPCs) AA collisions. We derive an analogue of the inclusive DPS pocket formula...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-020-8354-3
Fatemeh Naeimipour, Behrouz Mirza, Fatemeh Masoumi Jahromi • European Physical Journal C: Particles and Fields
(2021)
Abstract In this paper, we formulate two new classes of black hole solutions in higher curvature quartic quasitopological gravity with nonabelian Yang–Mills theory. At first step, we consider the SO(n) and $$SO(n-1,1)$$ S O ( n - 1 , 1 ) se...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-021-09241-2
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
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
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...
DOAJ
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