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Physics Preprint PDF DOI

Determination of turbulent heating rate and relaxed states in finite Larmor radius magnetohydrodynamic turbulence with helicity barrier

Ramesh Sasmal, Supratik Banerjee · 2026

Finite Larmor radius magnetohydrodynamics (FLR-MHD) provides a hybrid model of plasma that explains how turbulent energy cascade extends to sufficiently small parallel length scales, potentially leadi…

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Physics Preprint PDF DOI

Quantum Lattice Boltzmann Solutions for Transport under 3D Spatially Varying Advection on Trapped Ion Hardware

Sayonee Ray, Jezer Jojo, Jason Iaconis, Abeynaya Gnanasekaran, Apurva Tiwari, Martin Roetteler, Chris Hill, Jay Pathak · 2026

The Quantum Lattice Boltzmann Method (QLBM) has emerged as one of the most promising quantum computing approaches for the numerical simulation of problems in computational fluid dynamics (CFD). The dy…

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Engineering Preprint PDF DOI

High Coupling Tunable Acoustic Resonators in Monolithic Barium Titanate

Ian Anderson, Agham Posadas, Alexander A. Demkov, Ruochen Lu · 2026

The growing number of wireless communication bands has driven demand for compact, low-loss, and frequency adjustable RF filtering. Tunable acoustic resonators are well suited to address these needs, o…

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Physics Preprint PDF DOI

Protein folding on a 64 qubit trapped-ion hardware via counterdiabatic quantum optimization

Alejandro Gomez Cadavid, Pavle Nikacevic, Pranav Chandarana, Sebastian V. Romero, Enrique Solano, Narendra N. Hegade, Miguel Angel Lopez-Ruiz, Claudio Girotto, Hanna Linn, Hakan Doga, Evgeny Epifanovsky, Panagiotis Kl. Barkoutsos, Ananth Kaushik, Martin Roetteler · 2026

We report the largest trapped-ion hardware demonstration of lattice protein-folding optimization to date, using bias-field digitized counterdiabatic quantum optimization (BF-DCQO) on a fully connected…

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Physics Preprint PDF DOI

Precision Spectroscopy of 2S-nS Transitions in Atomic Hydrogen: A Determination of the Proton Charge Radius

R. G. Bullis, W. L. Tavis, M. R. Weiss, J. Orellana Cisneros, A. J. Cheeseman, U. D. Jentschura, D. C. Yost · 2026

We present absolute frequency measurements of 2S_{1/2}-nS_{1/2} two-photon transitions with n = 8, 9, and 10 in a cryogenic beam of atomic hydrogen. Each transition has been measured with a fractional…

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Physics Preprint PDF DOI

Global DIC-based sample-detector geometry refinement for accurate EBSD indexing

Claire Griesbach, Dennis M. Kochmann · 2026

Electron backscatter diffraction is a powerful tool for mapping crystallographic microstructures. However, the primary crux to improving orientation accuracy and applying the technique to challenging …

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Physics Preprint PDF DOI

Asteroseismic analysis of RY Leporis: the post-main sequence HADS in a binary system

Wojciech Niewiadomski, Jadwiga Daszynska-Daszkiewicz, Przemys{l}aw Walczak, Wojciech Szewczuk, Eloy Rodriguez, Piotr Ko{l}aczek-Szymanski, Aliz Derekas · 2026

We present a comprehensive study of the pulsating primary component of the long-period binary system RY Lep. The spectral energy distribution and the absence of detectable lines indicate that the comp…

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Physics Preprint PDF DOI

Raman Characterization of Two-Dimensional Quasiperiodic Antiferromagnets on Various Lattices: Spin-Orbit Mechanism

Takashi Inoue, Shoji Yamamoto · 2026

We study first-order (single-magnon) inelastic light scatterings in spin-$\frac{1}{2}$ two-dimensional quasiperiodic antiferromagnets in comparison with those emergent on periodic lattices. Unlike sec…

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Mathematics Preprint PDF DOI

New Bounds for the Spectral Radius and Low Energy of the $A_\alpha$-Matrix of Digraphs

Silin Huang · 2026

The $A_\alpha$-matrix of a digraph $D$ is defined as a linear convex combination $\alpha\operatorname{Deg}(D)+(1-\alpha)A(D)$ of the adjacency matrix $A(D)$ and the diagonal out-degree matrix $\operat…

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Physics Preprint PDF DOI

Hawking Temperature, Sparsity and Energy Emission Rate of Dark Matter Halo Regular Black Holes

Faizuddin Ahmed, Edilberto O. Silva · 2026

In this paper, we investigate the thermodynamic and radiative properties of a regular black hole sourced by a dark matter halo described by the Einasto density profile. The closed-form expressions for…

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Mathematics Preprint PDF DOI

Limit distributions of the threshold radius for the maximum degree and the associated point configurations in random geometric graphs

Junpei Otsuka · 2026

A random geometric graph $G(\mathcal{X}_n, r_n)$ is formed by taking a binomial process $\mathcal{X}_n$ as the set of vertices and joining any two distinct points with an edge if they lie within dista…

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Physics Preprint PDF DOI

Analyses on Wassenius' Report for Total Solar Eclipse in 1733: Quantifications of the Solar Radius and the Earliest Reported Prominences

Hisashi Hayakawa, Mitsuru Soma, Noortje Peek, Jean-Pierre Rozelot, Stanislav Gunar, Alexei Pevtsov · 2026

Total solar eclipses (TSEs) offer a unique opportunity to observe the solar atmosphere, detect limb phenomena, and accurately measure the solar radius. Following the TSE in 1733, Wassenius first repor…

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Mathematics Preprint PDF DOI

Perfect matchings and $A_{\alpha}$-spectral radius in 1-binding graphs

Sizhong Zhou, Hongxia Liu · 2026

Let $G$ be a graph with vertex set $V(G)$ and edge set $E(G)$. For $\alpha\in[0,1)$, we use $A_{\alpha}(G)$ and $\rho_{\alpha}(G)$ to denote the $A_{\alpha}$-matrix and the $A_{\alpha}$-spectral radiu…

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Physics Preprint PDF DOI

Renormalization-group improved Schwarzschild black hole: shadow, ringdown, and strong cosmic censorship

Ahmad Al-Badawi, Faizuddin Ahmed, Izzet Sakall{i} · 2026

We study a renormalization-group (RG) improved Schwarzschild-like black hole (BH) whose lapse interpolates between a classical Schwarzschild exterior and a quantum-smoothed interior governed by a cuto…

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AI & Data Science Preprint PDF DOI

Caries DETR: Tooth Structure-aware Prior and Lesion-aware Dynamic Loss Refinement for DETR Based Caries Detection

Xuefen Liu, Xinquan Yang, Mianjie Zheng, Kun Tang, Xuguang Li, Xiaoqi Guo, Linlin Shen, He Meng · 2026

As dental caries appear as subtle, low-contrast lesions in intraoral imaging, existing deep learning models face significant challenges in the early detection of caries. While recent Transformer-based…

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Physics Preprint PDF DOI

Wafer-scale hybrid molecular beam epitaxy of BaTiO3 and SrTiO3 on silicon

Xiaodong Tian, Yan Lin, Hanbin Gao, Han Yu, Yunpeng Ma, Ruiqi Liang, Changfu Chen, Wei Li, Chenguang Deng, Qiang Zheng, Qian Li · 2026

The integration of epitaxial barium titanate (BTO) on silicon represents a highly promising pathway for next-generation, energy-efficient photonic integrated circuits due to BTO's exceptionally high P…

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Physics Preprint PDF DOI

Accelerating quantum Gibbs sampling without quantum walks

Jiaqi Leng, Jiaqing Jiang, Lin Lin · 2026

Szegedy's quantum walk gives a generic quadratic speedup for reversible classical Markov chains, but extending this mechanism to quantum Gibbs sampling has remained challenging beyond special cases. W…

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Mathematics Preprint PDF DOI

Spectral radius and edge-disjoint spanning trees of $(k+1)$-edge-connected graphs

Yongbin Gao, Ligong Wang · 2026

Let $\kappa'(G)$ and $\tau(G)$ denote the edge connectivity and the spanning tree packing number of a graph $G$, respectively. Recently, Zhang and Fan [J. Graph Theory 112 (2) (2026) 128--144] posed t…

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Physics Preprint PDF DOI

Bayesian Inference of Dense-Matter Equations of State from Small-Radius Compact Stars with Twin-Star Scenarios

Xieyuan Dong, Hong Shen, Jinniu Hu, Ying Zhang · 2026

We investigate dense-matter equations of state (EOSs) within a Bayesian framework, with particular emphasis on whether recent small-radius compact-star candidates can be accommodated in a twin-star sc…

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Mathematics Preprint PDF DOI

Evaluation of Various Objective Functions for Optimal Reactive Power Flow Including Transformer Tap Changer Optimisation

Gerald Gebhardt, Bernd Engel · 2026

Modern distribution grids with high penetration of renewable generation provide substantial flexibility through distributed reactive power sources and transformer tap changers. This high degree of fre…

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