3,900 papers

astro-ph.SR2026

Classical Nova V1405 Cas Had and so is Unlikely to be a Type Ia Supernova Progenitor

Bradley E. Schaefer

Nova 2021 Cassiopeia (V1405 Cas) was an ordinary J(175) neon nova with the white dwarf mass estimated to be =0.600.10 . I found an orbital period of …

cs.AI2026

Evaluation of Small Vision-Language Models on Qualitative Mechanical Problems

Henry Fordjour Ansah, Shreya Banerjee, Pranish Ghimire

Qualitative mechanical problem-solving (QMPS) refers to solving qualitative problems from the mechanical domain. Qualitative problems can be solved with minimal discipline-specific…

physics.ao-ph2026

Determining Meteorological Tidal Transport through a Channel on the Coast

Chunyan Li

Transient weather systems are often associated with alternating warm and cold advections of air masses and changing wind directions, which drive coastal ocean and estuarine waters…

nucl-ex2026

Excited states of Nd studied via the NdNd reaction and the observation of possible low-spin two-phonon octupole states at

A. L. Conley, M. Spieker, R. Aggarwal +15

We report new data from a NdNd experiment performed at the John D. Fox Accelerator Laboratory of Florida State University. In total, 54 excited states of $^{…

gr-qc2026

Exploring Particle Geodesics in a Warp Drive Spacetime

Lucas Timotheo Sanches, Max Morris, Steven Robert Brandt

Although the Alcubierre Warp Drive is theoretically capable of providing faster-than-light travel, it may be difficult to use for this purpose. But is it useful for slower-than-lig…

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

astro-ph.GA2026

A Detailed Analysis of Intermediate-scale Structure in Optical Extinction Curves: Expanded Census and Two-family Classification

C. M. Gunasekera, M. Decleir, K. D. Gordon +4

The features of interstellar extinction curves serve as powerful diagnostics for interstellar dust, revealing information about its composition, size distribution, and the physical…

quant-ph2026★ 2 cited

Sample-half-inserted quantum interferometer

Wei Li, Tao Xie, Yu-Hang Luo +11

Quantum technologies have been widely recognized as unprecedented opportunities for ultra-high precision metrology. As a celebrated example in modern quantum optics, the Hong-Ou-Ma…

quant-ph2026★ 9 cited

Enhanced phase estimation with coherently boosted two-mode squeezed beams and its application to optical gyroscopes

Xiao-Qi Xiao, Elisha S. Matekole, Jiankang Zhao +3

Quantum techniques, developed in recent decades, provide new approaches to achieving high-precision measurements beyond the classical bounds. In this paper, we theoretically demons…

astro-ph.HE2026

Discriminating blazar emission models with high-energy polarimetry: Multi-band predictions and detectability

Sara Capecchiacci, Ioannis Liodakis, Haocheng Zhang +2

Polarimetric properties of blazars provide key constraints on the acceleration mechanisms powering their relativistic jets, the high-energy emission processes involved, and the com…

astro-ph.GA2026

Euclid Quick Data Release (Q2) -- The Euclid Galactic Bulge Survey

J. -P. Beaulieu, E. Bachelet, M. Gilles +173

The Euclid Quick Data Release Q2 provides an unprecedented deep, wide-field, high-angular-resolution view of the inner Galactic bulge through the Euclid Galactic Bulge Survey (EGBS…

nucl-ex2026

Observation of a dominant neutron configuration in the Si isomeric state

C. R. Hoffman, G. L. Wilson, J. Chen +8

An yrast, , spin-trap isomer has been previously identified in Si. The isomeric state decays predominantly via a hindered transition [B() = 0.0841(10)~W.u.…

astro-ph.HE2026

Exploring the nature of Galactic unassociated sources detected by the Fermi-LAT

F. Acero, A. Acharyya, A. Adelfio +120

We investigate the nature of the unassociated sources detected by the Fermi-LAT close (|b|<10°) to the Galactic plane, representing 16% of all sources in the 4FGL-DR4 catalog. The…

cs.NE2026

Co-Evolved Spiking Neural Network Ensembles via Marginal Contribution Fitness

Catherine Rodriquez, James Ghawaly

Evolutionary optimization of spiking neural networks (SNNs) becomes increasingly difficult as task complexity grows because they must search a combined topology--parameter space th…

quant-ph2026

Polymer quantum mechanics on compact configuration spaces

Maxwell R. Siebersma, Basie Seibert, Samuel Shuman +1

"Polymer quantum mechanics" is the name given to a quantization scheme inspired by loop quantum gravity in which the configuration space of the theory is chosen to have a discrete…

astro-ph.HE2026★ 2 cited

Gamma-ray signature of superluminous supernovae: Fermi-LAT GeV detection of SN 2017egm and evidence of a central engine

F. Acero, A. Acharyya, A. Adelfio +116

Superluminous supernovae (SLSNe) are a rare class of transients with peak luminosities 10-100 times greater than those of standard core-collapse supernovae (SNe). The mechanisms po…

astro-ph.HE2026

Detectability of Polarized Gamma-ray Emission from Blazar Flares with COSI

Garrett A. Latiolais, Jorge Otero-Santos, Michela Negro +18

We investigate the detectability of polarized gamma-ray emission from blazar flares with the Compton Spectrometer and Imager (COSI). Using 17 years of Fermi Large Area Telescope ob…

physics.ins-det2026

The ICESPICE demonstrator for particle/- coincidence experiments at Florida State University

A. L. Conley, M. Spieker, R. Aggarwal +17

The Internal Conversion Electron SPectrometer In Coincidence Experiments (ICESPICE) demonstrator has been developed at Florida State University to enable particle/gamma-electron co…

astro-ph.HE2026

Can COSI detect -ray lines from rare isotopes produced in the astrophysical intermediate neutron-capture process?

Falk Herwig, Pavel Denissenkov, Eric Burns

We investigate the nuclear -ray line emission from rare isotopes produced in the astrophysical intermediate neutron-capture process ( process) and assess the prospects of obs…

astro-ph.SR2026

A Minute-Cadence Deep Bulge Survey: First Data Release of DREAMS

Hongjing Yang, Weicheng Zang, Francisco Valdes +31

The DECam Rogue Earths and Mars Survey (DREAMS), a NOIRLab survey program, has been conducting a three-year survey covering a 5 deg area in the Galactic bulge (roughly spanning…

astro-ph.HE2026

Generation of Quantum Turbulence by Neutrino Cooling in Neutron Stars

J. A. Sauls

The interior crust and much of the liquid core of neutron stars is believed to be a quantum liquid mixture of neutron and proton superfluids and a relativistic electron liquid. Qua…

gr-qc2026★ 2 cited

GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1839

GW240925 and GW250207 are two loud gravitational-wave signals from binary black hole coalescences observed with network signal-to-noise ratios and , respectively…

astro-ph.HE2026

Label Propagation for Identifying Gamma-Ray Burst Progenitors from Prompt Emission

Skye Strain, Nicoló Cibrario, Michela Negro +1

Gamma-ray bursts (GRBs) are the most energetic bursts of light in our universe, and rapid progenitor association of these events can lead to targeted and optimized follow-up observ…

gr-qc2026★ 1 cited

Searches for Continuous Gravitational Waves from Supernova Remnants in the first part of the LIGO-Virgo-KAGRA Fourth Observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1764

We present results from directed searches for continuous gravitational waves from a sample of 15 nearby supernova remnants, likely hosting young neutron star candidates, using data…