14,871 papers

physics.plasm-ph2026

Maximization of nuclear fusion reactivity via optimal energy distributions

Roberto Onofrio, Kamel Ourabah, Carlo Presilla

We investigate the optimization of nuclear fusion reactivity relative to the choice of energy probability distribution. A single Maxwell-Boltzmann (MB) distribution is found to be…

eess.SY2026★ 1 cited

Scaling up statistical model checking of cyber-physical systems via algorithm ensemble and parallel simulations over HPC infrastructures

Leonardo Picchiami, Maxime Parmentier, Axel Legay +2

Model-based formal verification of industry-relevant Cyber-Physical Systems (CPSs) is often a computationally prohibitive task. In most cases, the complexity of the models preclude…

physics.gen-ph2026

Viscous matter in modified -gravity: Hubble tension attenuation with DESI and SH0ES data

Elisa Fazzari, Nakia Carlevaro, Giovanni Montani

We study the late-time dynamics of the Universe in a modified metric gravity model formulated in the Jordan frame. The standard CDM model is additionally deformed to incl…

astro-ph.HE2026

Prompt and Afterglow Constraints on the Central Engine of GRB 240825A

Daban Mohammed Saeed, Rahim Moradi, Chen-Wei Wang +2

GRB 240825A shows unprecedented temporal and spectral features that constrain the properties of its inner engine: (1) a prompt emission three-component spectrum consisting of a Ban…

astro-ph.GA2026

Euclid Quick Data Release (Q1) Euclid spectroscopy of quasars. 2. Physical properties from spectral fitting

Euclid Collaboration, J. Calhau, G. Calderone +312

A substantial volume of spectroscopic data has become available with the Euclid Data Release (Q1), which represents a unique opportunity to study quasars (QSOs) in the Euclid Deep…

math-ph2026★ 1 cited

Some Considerations on the Fluid-Dynamical Limit of Particle Systems

Mario Pulvirenti, Sergio Simonella

In this note we review and compare mathematical procedures aimed at rigorously deriving fluid-dynamic descriptions of classical particle systems in the large-scale limit of Hamilto…

quant-ph2026

Optical Quantum Computing

Hamza Hasnaoui, Leonardo Limongi, Taira Giordani +5

Under the label of optical quantum computing, there are a variety of protocols and experiments that use the quantum properties of light to achieve a computational advantage over cl…

astro-ph.CO2026

Running Hubble Constant with the Redshift as a Marker of Evolutionary Dark Energy

Nakia Carlevaro, Giovanni Montani, Maria Giovanna Dainotti

We discuss the interpretation of an observed running Hubble constant with the redshift, in terms of the possible underlying physical scenario. Assuming, like in the CDM model, t…

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…

astro-ph.CO2026

Euclid. A two-point correlation approach to diagnosing star-related systematics in the Euclid spectroscopic survey

Euclid Collaboration, I. Risso, B. R. Granett +298

The Euclid spectroscopic survey will measure galaxy clustering with unprecedented precision, requiring stringent control of observational and instrumental systematics. Star-related…

astro-ph.CO2026

Euclid preparation. The shape of halo profiles in CDM and non-standard cosmologies

Euclid Collaboration, L. Pizzuti, G. Y. Ferron +304

We study the shape of three-dimensional and projected dark-matter halo profiles extracted from cosmological -body simulations in CDM and non-standard cosmologies, using the \…

physics.ins-det2026

Toward High-Resolution Detection of Target Fragmentation: TEA-Sensitized NIT for Proton Therapy Applications

V. Boccia, T. Asada, A. Alexandrov +96

Nano Imaging Trackers (NIT) are fine-grained nuclear emulsions capable of tracking charged particles with sub-micrometric spatial resolution. The DAMON (Direct Measurement of Targe…

physics.flu-dyn2026

Numerical Validation of Lyapunov-Liouville Theory and Non-Diffusive Closures in Decaying Isotropic Fluid and Scalar Turbulence

Nicola de Divitiis

This work validates the Lyapunov--Liouville framework and its non-diffusive closures in decaying homogeneous isotropic turbulence (HIT) by numerically integrating the closed von Ká…

astro-ph.EP2026

The impact of tidal locking on Earth-like planetary dynamos

J. P. Hidalgo, D. R. G Schleicher

We investigate how tidal locking affects the planetary dynamo and the magnetospheres of Earth-like planets orbiting the habitable zones of M dwarfs. We couple an empirical stellar…

astro-ph.GA2026

How can we finally see the first light? Status and perspective in the search for Population III stars

Alessandra Venditti, Daniel Schaerer, Erik Zackrisson +26

Finding the first (Population III or Pop III) stars is one of the fundamental quests of astronomy, aiming to deliver the missing link in how stars form at early cosmic times. Yet t…

gr-qc2026

Post-Newtonian N-Body Dynamics in Extended Theories of Gravity

Antonio Tedesco

We derive the complete first post-Newtonian (1PN) Lagrangian and corresponding equations of motion for the relativistic -body system in Scalar-Tensor-Fourth-Order Gravity (STFOG…

astro-ph.CO2026

Modifying CDM dynamics via out-of-equilibrium axions: reconciling SH0ES and DESI values

Giovanni Montani, Luis A. Escamilla, Nakia Carlevaro +1

We investigate late-Universe dynamics in which the dark matter component is described by axion particles. The proposed framework departs from the standard CDM paradigm due to a…

cs.CV2026

A Unified Tokenization Framework for Pain Recognition using Heterogeneous 3D Modalities

Stefanos Gkikas, Christian Arzate Cruz, Valentina Becchetti +3

Pain is a complex and pervasive phenomenon affecting a large percentage of the population, and accurate assessment is essential for effective clinical management and intervention.…

astro-ph.HE2026

A post-hypercritical accretion small-scale dynamo in newborn neutron stars

David F. Bambague, Cristian G. Bernal, J. A. Rueda

Hypercritical fallback accretion can advect the surface magnetic field of a newborn neutron star into the newly accreted outer layers. Before this material joins the solid crust an…

astro-ph.GA2026

Euclid Quick Data Release (Q1). Searching for radio-selected \Euclid-dark galaxies in the EDF-N

Euclid Collaboration, M. Giulietti, I. Prandoni +308

We present and investigate the properties of a sample of radio-selected, Euclid-dark galaxies, identified from LOFAR HBA observations at 144 MHz within the Euclid Deep Field-North…

cond-mat.mtrl-sci2026

A depth resolved investigation of hydrogen uptake in carbon based nanostructures by soft-to-hard photoemission spectroscopy

Orlando Castellano, Alice Apponi, Luca Cecchini +11

Hydrogen chemisorption on graphitic carbon modifies the carbon orbital hybridization from sp2 to sp3, altering both structural and electronic properties. Understanding not only the…

astro-ph.CO2026

Interpretation of the binned SNe Ia Master Sample data via a scalar quintessence component: phantom transition?

Giovanni Montani, Iolanda Navone, Maria Giovanna Dainotti +1

We study a modified cosmological scenario for the late Universe, involving an evolutionary dark energy model associated with the dynamics of a self-interacting scalar field in a po…

physics.ins-det2026

APEIRON: composing smart TDAQ systems for high energy physics experiments

Roberto Ammendola, Andrea Biagioni, Carlotta Chiarini +12

We present APEIRON, a distributed heterogeneous processing framework comprising both hardware architecture and software stack for multi-FPGA systems. Targeting smart trigger and da…

astro-ph.IM2026

A First-Order Assessment of Permanent Magnet Deflection for Space Radiation Protection

Valerio Parisi, Roberto Capuzzo Dolcetta, Fabrizio Frezza +1

We present a preliminary feasibility assessment of a magnetic shield designed to protect a space probe from cosmic radiation via magnetic deflection using neodymium permanent magne…