10,515 papers

astro-ph.CO2026

A census of Dark Energy Survey Year 3 redMaPPer galaxy clusters in a high exposure eROSITA All Sky Survey region

P. A. Giles, A. K. Romer, J. Pilling +64

We present the cross-match of galaxy clusters detected by redMaPPer using the first three years of Dark Energy Survey (DESY3RM) operations, and the first release of the eROSITA-All…

cs.CR2026

SatBleed: Security of Commoditized Communication Modules in Satellites

Ulysse Planta, Julian Rederlechner, Martin Strohmeier +2

Substantial reduction in launch and manufacturing costs has resulted in the accelerated deployment of small satellite missions, with commercial off-the-shelf (COTS) components beco…

hep-ph2026

On the status of the 4-loop splitting functions in QCD

S. Moch, A. Vogt

We briefly discuss recent results on the four-loop splitting functions for the scale dependence of the parton distributions of hadrons. The three non-singlet cases are now complete…

astro-ph.SR2026

Global 3D simulations of convection and dynamos in Red Giants

Carolina Ortiz-Rodríguez, Petri Käpylä, Juan Pablo Hidalgo +2

Understanding the internal dynamics of red giants is essential for studying angular momentum transport and magnetic field generation during stellar evolution. We present three-dime…

q-bio.NC2026

Active Visual Semantics: A large-scale MEG and eye-tracking dataset for understanding visual intelligence in action

Philip Sulewski, Carmen Amme, Peter König +2

Here we present the Active Visual Semantics (AVS) dataset, a large-scale collection of magnetoencephalography (MEG) and eye-tracking data recorded while five participants freely ex…

hep-th2026

Unification of Gravity with Internal Interactions: the SO(2,16) Scheme Revisited

Stelios Stefas, George Zoupanos

The starting point of the present work is the observation that the tangent group of a curved manifold need not have the same dimension as the manifold itself. We use this fact to c…

astro-ph.HE2026

Constraints on the VHE counterpart of two binary black hole mergers observed by the MAGIC and CTAO LST-1 telescopes

K. Abe, S. Abe, J. Abhir +358

We present very-high-energy gamma-ray observations of two binary black hole merger candidates, GW240615_113620 and GW241125_010116, performed with the Major Atmospheric Gamma Imagi…

astro-ph.GA2026★ 1 cited

Euclid: Discovery of 31 new quasars at

D. Yang, J. F. Hennawi, F. Guarneri +211

We report the discovery of 31 new high- quasars in the redshift range . These quasars were selected from approximately 3000 deg of sky covered during the firs…

astro-ph.GA2026

Euclid: A UV-faint quasar in a highly luminous star-forming host galaxy at

S. Belladitta, R. Decarli, E. Bañados +180

Constraining the co-evolution of supermassive black holes and their host galaxies in the first billion years after the Big Bang is essential for understanding the formation of the…

physics.optics2026

Efficient broadband second-harmonic generation in a multi-pass cell

Arthur Schönberg, Nikolas Rupp, Ana Oliveira e Silva +6

Second-harmonic generation (SHG) is a widely used nonlinear optical process that has been optimized for high frequency conversion efficiency, broad bandwidths, and optimum spatial…

cs.LG2026

Fourier Neural Operators for Rayleigh-Bénard Convection

Chelsea Maria John, Thibaut Lunet, Sebastian Götschel +3

We propose an improved Fourier Neural Operator (FNO) for modeling two-dimensional Rayleigh-Bénard convection by predicting time increments instead of full solutions, achieving high…

stat.AP2026

Regularized Machine Learning for System Identification of Ship Free-Running Manoeuvres from CFD-Based Synthetic Data: A Comparative Study

R. F. Suárez, J. C. Berndt, M. Abdel-Maksoud

This study investigates supervised machine learning techniques for identifying ship hydrodynamic coefficients from CFD-generated data from free-running simulations. Specifically, o…

cond-mat.mes-hall2026

Creation and motion of antiferromagnetic skyrmions by edge manipulation

Aleksey Berg, Tim Matthies, Roland Wiesendanger +1

Magnetic racetrack architectures that use topological magnetic particles to store information are one of the most promising concepts for future storage applications. Antiferromagne…

astro-ph.GA2026

The ultra low-frequency spectral properties of bright extended radio galaxies in the 3CRR catalogue

J. M. Boxelaar, F. De Gasperin, M. J. Hardcastle +2

Context. Active galactic nuclei (AGN) jets are fundamental drivers of galaxy evolution, injecting kinetic energy into their environments. The large-scale morphology and spectral pr…

cs.DL2026

Making a Name for Myself: On Academic Naming Policies and their Impact

A Pranav, Vagrant Gautam, Martin Mundt +6

In academic publishing, names connect scholars to their work. When scholars change their names, including for marriage, academic recognition, or gender transition, they may lose cr…

astro-ph.GA2026

A Meta-Learning Framework for Multitask Reverberation Mapping in Active Galactic Nuclei

Aman N. Raju, Andjelka B. Kovačević, Dragana Ilić +8

The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) is expected to observe active galactic nuclei (AGN) at sky densities of approximately 1000-4000 per sq. deg, en…

cond-mat.mtrl-sci2026

Topological spin-texture transitions in van der Waals magnets revealed by X-ray Fourier transform holography

Sourav Chowdhury, Soumyaranjan Dash, Michael Schneider +14

Nontrivial topological spin-textures, such as skyrmions, merons, bimerons, and skyrmioniums, are envisioned as robust building blocks for future memory and logic devices. Controlla…

physics.ins-det2026

Effect of increased DCR on the detection of minimum-ionizing particles with SiPMs

Katjana Neumann, Massimiliano Antonello, Lukas Brinkmann +2

Radiation damage to a Silicon Photomultiplier (SiPM), as it occurs during the lifetime of the planned CMS high-granularity calorimeter detector, increases the dark current and degr…

cs.NE2026★ 1 cited

Beyond Silicon: Materials, Mechanisms, and Methods for Physical Neural Computing

Stefan Fischer, Nihat Ay, Olaf Landsiedel +4

Physical implementations of neural computation now extend far beyond silicon hardware, encompassing substrates such as memristive devices, photonic circuits, mechanical metamateria…

cond-mat.mtrl-sci2026

Electronic mechanism of sub-100-fs demagnetization induced by a femtosecond light pulse

Konrad J. Kapcia, Victor Tkachenko, Flavio Capotondi +4

A quantitative understanding of the processes that trigger light-induced demagnetization on ultrashort timescales is crucial for achieving an ultrafast, radiation-controlled magnet…

physics.gen-ph2026

Gravity, Fine-Structure Constant and Natural Units -- some Thoughts based on Dimensional Analysis --

Robi Banerjee

Here we discuss direct links of the number of fundamental dimensions to the fundamental natural constants using simple arguments of dimensional analysis \corr{based on Maxwell's di…

astro-ph.GA2026★ 1 cited

Magnetised CGM Gas at z~1 revealed by SPICE-RACS

Sunil Malik, S. P. O'Sullivan, A. J. M. Thomson +17

Magnetic fields are expected to permeate the circumgalactic medium (CGM) of galaxies, yet direct constraints at high redshift remain limited by the lack of high-quality Faraday rot…

astro-ph.HE2026

Search for long-term variability of HESS J1745-290

H. E. S. S. Collaboration, :, A. Acharyya +116

At the center of our Galaxy lies the bright γ-ray point-like source HESS J1745-290, which is compatible in position with Sgr A star, although an association between the two remains…

astro-ph.CO2026

Galaxy clusters in the LoTSS-DR3: Catalogues and detection pipeline for diffuse radio emission

C. Stuardi, G. Di Gennaro, A. Botteon +19

The third data release of the LOFAR Two-metre Sky Survey provides an unprecedented view of the northern sky at 144 MHz. While compact sources can be efficiently identified with aut…