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Physics Preprint PDF DOI

Mujic{\Lambda}: Reconstructing Initial Conditions from Incomplete Redshift Surveys with Projected Optimization

Chenze Dong, Benjamin Horowitz, Adrian E. Bayer, Khee-Gan Lee · 2026

In this paper, we introduce Mujic{\Lambda} (Mapping the Universe with Jax-based Initial Condition Reconstr{\Lambda}ction), an optimization-based framework for reconstructing initial conditions from re…

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Physics Preprint PDF DOI

Effective length scales, dispersion relations, and discrete densities of states for Laplacian eigenvectors on complex networks

Per Arne Rikvold · 2026

To construct dispersion relations for diffusion or oscillation processes on random networks, it is necessary to obtain effective length scales for the eigenvectors of a graph Laplacian matrix, whose e…

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Physics Preprint PDF DOI

All-organic self-separating three-dimensionally nanoarchitected electrochemical energy storage devices

William R. T. Tait, Sriram Murali, Chao-Hua Hsu, Jantakan Nedsaengtip, Christina Lee, R. Paxton Thedford, Vibha Kalra, Joerg G. Werner, Ulrich B. Wiesner · 2026

This work realizes a three-dimensionally (3D) nanoarchitected, all organic, "self-separating" lithium-ion electrochemical energy storage (EES) device that is cycled as a solid-state full cell. The dev…

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Physics Preprint PDF DOI

Caught in the Cosmic Web: Environmental Impacts on the Halo Substructure Boosts to Dark Matter Annihilation Signals

Feven Markos Hunde, Wojciech A. Hellwing, Maciej Bilicki · 2026

The annihilation of dark matter (DM) particles is expected to produce Standard Model particles, providing a potential indirect signature of DM. The clumpy substructure of DM haloes amplifies the expec…

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Physics Preprint PDF DOI

On phase retrieval for continuous and discrete Fourier transforms

Roman Novikov, Tianli Xu · 2026

We continue studies on phase retrieval for continuous and discrete Fourier transforms in multidimensions. Using finite difference operators, we give a large class of unexpected examples of non-uniquen…

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Physics Preprint PDF DOI

Enabling real-time multi-messenger follow-up of transient events with Astro-COLIBRI

Bernardo Cornejo Avila, Sofia Bisero, Mickael Costa, Antoine Ciric, Ilja Jaroschewski, Weizmann Kiendrebeogo, Fabian Schussler · 2026

Time-domain astrophysics is a rapidly growing field focused on the study of transient phenomena such as Gamma-Ray Bursts (GRBs), Fast Radio Bursts (FRBs), supernovae, novae, and AGN flares. Their char…

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Physics Preprint PDF DOI

Augmented reality system for visualising magnetic field topology and charged-particle trajectories in magnetic fusion plasmas

Akinobu Matsuyama · 2026

A cost-effective augmented reality (AR) system is presented for visualising three-dimensional magnetic field structures and charged-particle trajectories in magnetically confined fusion plasmas. The s…

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Physics Preprint PDF DOI

Spectral Evolution and Transient Broad-Line Features in the Isolated AGN UNAM-KIAS 613

Edgar Cortes-Suarez, Paola Marziani, Hector Manuel Hernandez-Toledo, Miguel Angel Aragon-Calvo, Castalia Alenka Negrete · 2026

We present multi-epoch optical spectroscopy of the isolated elliptical galaxy UNAM-KIAS 613, hosting a low-luminosity Type 1 AGN. Analysis of archival Sloan Digital Sky Survey (SDSS) data from 2006 re…

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Physics Preprint PDF DOI

Constraining the nature of active galactic nuclei through circumgalactic Lya emission at z=2-3

Shiwu Zhang, Zheng Cai, Fabrizio Arrigoni Battaia, Sebastiano Cantalupo, Mingyu Li, Ben Wang, Yuduo Guo, Aura Obreja, Haibin Zhang, Zihao Li, Donghui Quan · 2026

We present a comprehensive analysis of circumgalactic Lya nebulae around 59 unobscured and 26 obscured quasars at z=2-3, observed with the Keck Cosmic Web Imager (KCWI), to constrain the nature of act…

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Physics Preprint PDF DOI

Cosmic gas accretion from filaments onto galaxy clusters using the IllustrisTNG simulation

Jade Paste, Celine Gouin, Nabila Aghanim, Jenny G. Sorce · 2026

Galaxy clusters grow through the matter accretion from the cosmic web, mainly along filaments. We aim to characterize the gas accretion onto clusters, focusing on the role of filaments in driving anis…

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Physics Preprint PDF DOI

Isotopically enriched epitaxial CaWO$_{4}$ thin films for Er$^{3+}$ spin-photon quantum interfaces

Hanlin Tang, Kidae Shin, Ashwin K. Boddeti, Sebastian P. Horvath, Adam Turflinger, Joseph Alexander, Jeffrey A. Dhas, Zihua Zhu, Shuhang Pan, Jeff D. Thompson, Yingge Du, Frederick J. Walker, Charles H. Ahn · 2026

Rare earth ion (REI)-doped oxide thin films are attractive for the application of quantum interconnects due to their stable optical levels and scalability$^{1-3}$. Among them, Er$^{3+}$ doped CaWO$_{4…

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Physics Preprint PDF DOI

An archive of reduced and telluric-corrected CRIRES+ L- and M-band spectra with slit-tilt and wavelength calibrations

Thomas Marquart, Alexis Lavail · 2026

The high-resolution near-infrared spectrograph CRIRES+ at ESO VLT covers the Y, J, H, K, L and M bands. The U-Ne and Fabry-Perot calibration light sources, however, only work up to the K-band, leaving…

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Physics Preprint PDF DOI

The FLAMINGO simulations data release

John C. Helly, Robert J. McGibbon, Joop Schaye, Matthieu Schaller, William McDonald, Joey Braspenning, Jeger C. Broxterman, Emily E. Costello, Willem Elbers, Victor J. Forouhar Moreno, Carlos S. Frenk, Adrian Jenkins, Roi Kugel, Ian G. McCarthy, Jaime Salcido, Marcel P. van Daalen, Bert Vandenbroucke, Tianyi Yang · 2026

We describe the public release of $>2.3$ petabytes of data from the FLAMINGO cosmological simulations. The suite consists of hydrodynamical simulations that include radiative cooling, star formation, …

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Physics Preprint PDF DOI

The Three Hundred project: cosmic web identification from 2D gas and Compton-$y$ maps of galaxy clusters outskirts

Sara Santoni, Marco De Petris, Gustavo Yepes, Weiguang Cui, Daniel de Andres, Antonio Ferragamo, Raphael Wicker · 2026

Galaxy clusters are located at the nodes of the filamentary network known as the cosmic web. A more comprehensive understanding of galaxy clusters can be achieved by considering their environment, in …

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Physics Preprint PDF DOI

Gravitational Collapse of an Inhomogeneous Fluid in Rastall Theory

Akbar Jahan, Naser Sadeghnezhad, Amir Hadi Ziaie · 2026

We study spherically symmetric gravitational collapse of an inhomogeneous fluid with anisotropic energy momentum tensor (EMT) in Rastall gravity. Considering a linear equation of state (EoS) for the f…

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Physics Preprint PDF DOI

Motifs Enrichment as a Driver of an Emergent Preferential Attachment in rewired random regular graphs

Pawat Akara-pipattana, Sergei Nechaev · 2026

We study the statistics of rewired random regular graphs within the canonical ensemble, in which the average number of triangles is controlled by the fugacity $\lambda$. Using mean-field arguments, we…

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Physics Preprint PDF DOI

Caustic Skeleton and the Local Cosmic Web: the Coma Cluster node and the Pisces-Perseus ridge

Amelie Read, Job Feldbrugge, Celine Boehm, Rien van de Weygaert, Benjamin Hertzsch · 2026

We apply caustic skeleton theory to the Manticore-Local simulations, which are Bayesian constrained reconstructions of the Local Universe from the 2M++ galaxy catalogue, and extract the three-dimensio…

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Physics Preprint PDF DOI

Backlighting the Cosmic Web with Fast Radio Bursts: An Anthology of Dispersion Measure Cross-Correlations with Large-Scale Structure and Baryon Tracers

Kritti Sharma, Elisabeth Krause, Vikram Ravi, Dhayaa Anbajagane, Liam Connor, W.L. Kimmy Wu, Simone Ferraro, Sebastian Grandis, David Alonso, Yi-Kuan Chiang, Casey J. Law, Pranjal R. S., Samuel McCarty, Shivam Pandey · 2026

Fast Radio Bursts (FRBs) probe baryons permeating the cosmic web through their dispersion measures (DMs), which encode the integrated electron density along cosmological sightlines. Using 3,455 unique…

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Physics Preprint PDF DOI

OptiMat Alloys: a FAIR, living database of multi-principal element alloys enabled by a conversational agent

Yang Hu, Vladyslav Turlo · 2026

The FAIR principles have transformed how computational data and workflows are shared in materials research, yet existing repositories can only serve pre-computed entries -- broad coverage is perpetual…

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Physics Preprint PDF DOI

Melting temperature shifts from quantum fluctuations in generalized Wigner crystals

Aman Kumar, Sogoud Sherif, Veit Elser, Hitesh J. Changlani · 2026

It is generally believed that quantum fluctuations collaborate with thermal fluctuations, effectively reducing transition temperatures (e.g. for melting of charge order). We show that this is not alwa…

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