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Physics Preprint PDF DOI

On the proposed concept of mechanical phasons in Ni-Mn-Ga modulated martensite

Petr Sedlak, Tomas Grabec, Hanus Seiner (Institute of Thermomechanics, Czech Academy of Sciences, Prague) · 2026

We discuss modulation phasons as a possible source of unusual elastic behavior of five-layer modulated (10\,M) martensite of the Ni-Mn-Ga shape memory alloy. This material exhibits anomalous macroscop…

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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

Electronic structure, quasiparticle renormalizations, and magnetic correlations in the alternating single-layer bilayer nickelate La$_5$Ni$_3$O$_{11}$

I. V. Leonov · 2026

Using DFT+DMFT we study the normal-state electronic structure and magnetic correlations of the recently discovered alternating single-layer bilayer Raddlesden-Popper nickelate La$_5$Ni$_3$O$_{11}$ (12…

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Physics Preprint PDF DOI

The intrinsic dispersion of elemental abundance ratios in nearby metal-poor halo stars

Poul Erik Nissen, Anish Amarsi · 2026

Differential abundances of C, O, Mg, Al, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Y, and Zr were determined from high signal-to-noise VLT/UVES spectra for 25 turnoff stars with -2.4 < [Fe/H] < -1.3. Eff…

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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

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

Recovering extra-tidal open cluster members via multi-elemental chemical tagging

Andres E. Piatti · 2026

The identification of open cluster (OC) members has been revolutionized by high-precision Gaia astrometry, yet traditional kinematic membership selections remain inherently conservative, often overloo…

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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

Room-temperature shape-memory effect in Sr(Ni$_{1-x}$Cu$_x$)$_2$P$_2$

Juan Schmidt, Alexander J. Horvarth, Seok-Woo Lee, Sergey L. Bud'ko, Paul C. Canfield · 2026

The compound SrNi$_2$P$_2$ can exhibit multiple crystal structures with no P-P pairs bonded (uncollapsed tetragonal, or ucT, state), with one-third of the P-P pairs bonded (one-third collapsed orthorh…

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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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