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Physics Preprint PDF DOI

TESS Asteroseismology of Red Giants in the Old Metal-Rich Open Clusters NGC 188 & NGC 6791

Madeline Howell, Jennifer A. Johnson, Marc H. Pinsonneault, Leslie M. Morales, Jamie Tayar, John D. Roberts, Dennis Stello, Madeleine McKenzie · 2026

Open clusters are fundamental laboratories for investigating stellar and Galactic evolution, and serve as important benchmarks for asteroseismic analyses. Using a boutique method to analyze TESS photo…

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Physics Preprint PDF DOI

Q3SAT-GPT: A Generative Model for Discovering Quantum Circuits for the 3-SAT Problem

Pratim Ugale, Ilya Tyagin, Karunya Shirali, Kien X. Nguyen, Ilya Safro · 2026

This work introduces Q3SAT-GPT, a generative model for discovering quantum circuits for the Max-E3-SAT problem. Our method learns from high-performing QAOA-style ans\"atze to directly generate candida…

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Physics Preprint PDF DOI

Iron He-triplet signatures of shocks in the hottest galaxy clusters. Z/W line ratio, line broadening, and electron-ion temperature equilibration

Eugene Churazov, Yuri Ralchenko, Ildar I. Khabibullin, John C. Raymond, Annie Heinrich, Irina Zhuravleva, Reinout J. van Weeren, Congyao Zhang · 2026

A merger of clusters naturally drives shocks with Mach number $\mathscr{M}\lesssim 3$ in the intra-cluster medium (ICM). This process creates several distinct signatures, including sharp surface brigh…

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Physics Preprint PDF DOI

Quantum Coordination without Conditioning under Restricted Information

Faisal Shah Khan · 2026

We study coordination under restricted information, where classical local models fail to implement certain correlated distributions because agents cannot condition on past history. We show that quantu…

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Physics Preprint PDF DOI

Eccentricity as a signature of hierarchical subsolar-mass mergers in collapsar disks

Jiaxi Wu, Elias R. Most, Nils L. Vu, Nils Deppe, Lawrence E. Kidder, Kyle C. Nelli, William Throwe · 2026

In this work, we investigate gravitational-wave signatures of a proposed subsolar-mass merger scenario resulting from fragmentation inside a collapsar accretion disk. This scenario has gained recent i…

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Physics Preprint PDF DOI

Programmable Persistent Random Walks in Active Brownian Particles Govern Emergent Dynamics

Tarun Sunkesula Raghavendra, Yogesh Shelke, Stijn van der Ham, Anpuj Nair S, Hanumantha Rao Vutukuri · 2026

Self-propelled particles serve as minimal models for emulating the dynamic self-organization of microorganisms, yet most synthetic systems remain limited to a single mode of motion, namely active Brow…

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Physics Preprint PDF DOI

Fault-Tolerant Resource Comparison of Qudit and Qubit Encodings for Diagonal Quadratic Operators

Samuel Godwood, Doga Murat Kurkcuoglu, Gabriel N. Perdue, Marina Maneyro, Alessandro Roggero · 2026

Finite local Hilbert-space truncations arise naturally in quantum simulations of lattice field theories and motivate qudit encodings, but their fault-tolerant advantage over qubit encodings remains un…

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Physics Preprint PDF DOI

Third-order intrinsic anomalous Hall effect as a transport fingerprint of altermagnets

Longjun Xiang, Hao Jin, Jian Wang · 2026

The intrinsic anomalous Hall effect (IAHE) provides a powerful transport fingerprint of quantum magnets, with its linear and second-order responses distinguishing ferromagnets and $\mathcal{P}\mathcal…

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Physics Preprint PDF DOI

Multi-Objective Optimization by Quantum-Annealing-Inspired Algorithms

Xian-Zhe Tao, Pavel Mosharev, Man-Hong Yung · 2026

Combinatorial optimization is widely regarded as a primary application for near-term quantum processors, although a definitive demonstration of the practical quantum advantage remains elusive. Recent …

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Physics Preprint PDF DOI

Tidal Heating of Stellar Clusters in Fuzzy Dark Matter Halos

Yiheng Liu, Xinyu Li · 2026

Ultra-faint dwarf galaxies serve as powerful testing grounds for wave dark matter models through dynamical stellar heating. Previous simulation-based work derived a lower bound on the fuzzy dark matte…

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Physics Preprint PDF DOI

Double-Peaked Ly$\alpha$ Emission during Reionization Requires Nearby Voids and a Favorable Local Ionizing Background

Hyunbae Park, Aaron Smith, Intae Jung, Hidenobu Yajima, Pierre Ocvirk, Joseph S. W. Lewis, Luke Conaboy, Paul R. Shapiro, Ilian T. Iliev, Kyungjin Ahn, Joohyun Lee, Jenny G. Sorce, Yohan Dubois · 2026

Several Lyman-alpha (Ly$\alpha$) emitters deep into the reionization era exhibit double-peaked Ly$\alpha$ emission profiles, raising the question of how the intergalactic medium can transmit photons b…

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Physics Preprint PDF DOI

Topological transitions in spin-ice induced by geometrical constraints

R. A. Borzi, E. S. Loscar, S. A. Grigera · 2026

We study the nearest-neighbor spin-ice model subjected to a magnetic field applied along the global [111] and [110] directions, focusing on the role of sample geometry in stabilizing topological phase…

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Physics Preprint PDF DOI

Blueberry and Green Pea galaxies live in low density environments

Maitrayee Gupta, Jiri Svoboda, Konstantinos Kouroumpatzakis, Nicolas Peschken, Peter G. Boorman, Abhijeet Borkar · 2026

Little is currently known about the large-scale environments of Green Pea (GP) and Blueberry (BB) galaxies, which are low-mass, compact systems with extreme specific star-formation rates (sSFR). Their…

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Physics Preprint PDF DOI

FPGA-Accelerated Real-Time Diagnostics at DIII-D Using the SLAC Neural Network Library for ML Inference

Abhilasha Dave, Semin Joung, SangKyeun Kim, Ramon Reed, Keith Erickson, Jalal Butt, Azarakhsh Jalalvand, Mudit Mishra, James Russell, Larry Ruckman, Ryan Herbst, Egemen Kolemen, David Smith, Ryan Coffee · 2026

In this work, we demonstrate the deployment of a hardware-accelerated machine learning (ML) inference system integrated into a real-time processing at the DIII-D tokamak fusion reactor. The team has s…

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Physics Preprint PDF DOI

NTL-amplified cryogenic light detectors with optically transparent electrodes

Matteo Biassoni, Andrea Nava, Oscar Azzolini, Mattia Beretta, Tommaso Bradanini, Chiara Brofferio, Paolo Carniti, Simone Copello, Mourad El Idrissi, Marco Faverzani, Elena Ferri, Massimo Girola, Luca Gironi, Claudio Gotti, Leonard Imbert, Giorgio Keppel, Nicola Manenti, Ilaria Molinari, Irene Nutini, Maura Pavan, Daniele Peracchi, Gianluigi Pessina, Sonja Schneidewind, Davide Trotta · 2026

The Neganov-Trofimov-Luke (NTL) effect is used by experiments based on cryogenic detectors to boost the sensitivity of light-sensitive devices down to a few optical photons. In this work we introduce …

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Physics Preprint PDF DOI

Defect-Adaptive Lattice Surgery on Irregular Boundary Surface-Code Patches

GunSik Min, Yujin Kang, Jun Heo · 2026

Defect-adaptive surface-code methods have substantially advanced the construction of valid logical patches on imperfect hardware, but fault-tolerant computation also requires executable logical oper a…

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Physics Preprint PDF DOI

The critical role of negative-energy states in the Land\'{e} $g$-factor of lithium-like ions

Chang-Xian Song, Yong-Bo Tang · 2026

We report relativistic many-body calculations of the interelectronic-interaction correction to the Land\'{e} $g$-factor of the $2s_{1/2}$, $2p_{1/2}$, $2p_{3/2}$, and $3s_{1/2}$ states in lithium-like…

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Physics Preprint PDF DOI

Rotation Measure Substructures Induced by the Ponderomotive Force of Inertial \alfven Waves

Qing Zhao, Di Xiao, Xue-Feng Wu · 2026

The rotation measure (RM) and dispersion measure (DM) of fast radio bursts (FRBs) serve as critical probes of the magneto-ionic environments along the line of sight. The significant temporal evolution…

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Physics Preprint PDF DOI

Lie symmetry classification and invariant solutions of time-fractional telegraph systems with variable coefficients

Sodbaatar Adiya, Khongorzul Dorjgotov, Bayarmagnai Gombodorj, Bayarpurev Mongol, Uuganbayar Zunderiya · 2026

Time-fractional telegraph equations provide fundamental mathematical models for transport processes that exhibit memory and nonlocal effects in industrial and physical systems. These models arise natu…

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Physics Preprint PDF DOI

The Singular Behaviour of Ambipolar Diffusion Revealed by 1D Cartesian Solutions

F. Moreno-Insertis, E. R. Priest, D. Nobrega-Siverio · 2026

Aims. We seek to (a) study 1D Cartesian ambipolar diffusion near null points; (b) characterise the nonlinear eigenmodes for ambipolar diffusion; (c) propose tests for ambipolar diffusion solvers in MH…

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