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Physics Preprint PDF DOI

Nonlinear Programming of Low-Thrust Multi-Rendezvous Trajectories Using Analytical Hessian

An-Yi Huang, Ya-Zhong Luo · 2026

This study presents a fast nonlinear programming algorithm for low-thrust multi-asteroid rendezvous missions. The core contribution is the derivation of analytical formulations for both first- and sec…

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Physics Preprint PDF DOI

Dilaton-Flattened Axion Inflation

Pirzada, Ali Muhammad, Tianjun Li, Imtiaz Khan, Mussawir Khan · 2026

We present a solvable same-sector effective theory for anomaly-inspired axion inflation, in which a heavy trace-anomaly mode dynamically backreacts on the axion potential. The tree-level elimination o…

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Physics Preprint PDF DOI

Optimal Quantum Logarithmic Trace Inequality

Gilad Gour · 2026

We establish a sharp logarithmic trace inequality that strengthens recent bounds of Cheng et al.(arXiv:2507.07961) by replacing their prefactor $c_s/s$ with the strictly smaller constant $G_s$. The co…

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Physics Preprint PDF DOI

Hybrid Renormalization for Baryon Distribution Amplitudes from Lattice QCD in LaMET

Mu-Hua Zhang · 2026

In our recent work [1] on lattice QCD calculation of the baryon leading-twist LCDAs within the framework of LaMET, a novel hybrid renormalization scheme is implemented for octet baryon quasi-DAs, yiel…

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Physics Preprint PDF DOI

Confined kinetics and heterogeneous diffusion driven by fractional Gaussian noise: A path integral approach

David Santiago Quevedo, Felipe Segundo Abril-Bermudez, Cristiane Morais Smith · 2026

Many complex systems are described by Langevin-type equations in which the noise exhibits long-range correlations and couples to the system in a state-dependent, multiplicative manner, leading to hete…

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Physics Preprint PDF DOI

The Schwarz function and the shrinking of the Szeg\H{o} curve: electrostatic, hydrodynamic, and random matrix models

Gabriel Alvarez, Luis Martinez Alonso, Elena Medina · 2026

We study the deformation of the classical Szeg\H{o} curve $\gamma_0$ given by $\gamma_t = \{ z\in\mathbb{C}: |z\, e^{1-z}| = e^{-t}, |z|\leq 1\}$, $t\geq 0$ from three different viewpoints: an electro…

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Physics Preprint PDF DOI

Analyticity, asymptotics and natural boundary for a one-point function of the finite-volume critical Ising chain

Yizhuang Liu · 2026

This note reports the following observation: the finite-volume expectation value of the spin operator (the one-point function) between the $\mathbb{Z}_2$-even and odd ground states in the critical per…

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Physics Preprint PDF DOI

Speed-Error Cross-Correlation Dating of Ancient Star Catalogues, with Application to the Almagest

Carlos Baiget Orts · 2026

We present SESCC (Speed-Error Signals Cross-Correlation), a method for dating ancient star catalogues from the cross-correlation between stellar proper-motion speeds and positional residuals. At the t…

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Physics Preprint PDF DOI

Extreme (Rogue) Waves: From Theory to Experiments in Ultracold Gases and Beyond

A. Chabchoub, P. Engels, P. G. Kevrekidis, S. I. Mistakidis, G. C. Katsimiga, M. E. Mossman, S. Mossman · 2026

In this Chapter, we review key theoretical and experimental advances in the study of extreme nonlinear wave events, called rogue waves (RWs), in both single-component attractively interacting and two-…

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Physics Preprint PDF DOI

Bessel Gaussian Beam Propagation in a Thermally Induced Axially Varying GRIN Medium

Fatemeh Kalantarifard, Parviz Elahi · 2026

High power end pumped solid state lasers often operate in regimes where pump induced heating creates a strong refractive index gradient (thermal lensing) that governs resonator stability and mode qual…

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Physics Preprint PDF DOI

Diffuse and specular brightness models applied to LEO satellites. Case study: The ONEWEB constellation

Maria Romero-Colmenares, Katherine Vieira, Jeremy Tregloan-Reed, Yonggi Kim, Joh-Na Yoon, Ha-eun Kim, Hyo-ri Jeon, Chae-rin Kim, Christian Adam, Tobias C. Hinse, Mario Soto, Eduardo Unda-Sanzana, Penelope Longa-Pena, Angel Otarola · 2026

Context. To better understand the observed brightness of low Earth orbit satellites, we must characterize their reflectivity, which in turn depends importantly on their bus designs. The reflectivity o…

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Physics Preprint PDF DOI

New Black hole Solutions in $f(\mathbb{Q})$ Gravity

A. Dehyadegari, A. Sheykhi · 2026

We investigate static and spherically symmetric vacuum solutions in the symmetric teleparallel $f(\mathbb{Q})$ modified theory of gravity. Starting from a recently proposed classification of affine co…

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Physics Preprint PDF DOI

Emergent Topological Complexity in the Barabasi-Albert Model with Higher-Order Interactions

Vadood Adami, Hosein Masoomy, Mirko Lukovic, Morteza Nattagh Najafi · 2026

We examine the homological structure of the Barabasi-Albert model, focusing on the time evolution of $\Delta$-dimensional simplices and topological holes as functions of time $t$ and the attachment pa…

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Physics Preprint PDF DOI

Hot subdwarf stars from the Hamburg Quasar Survey

Ulrich Heber, Lennard Kufleitner, Matti Dorsch, Marilyn Latour, Harry Dawson, Fabian Mattig, Stephan Geier · 2026

Hot subluminous stars (sdO/B) are evolved low mass stars originating from red giants that lost their envelope almost entirely. The multitude of observed phenomena imply that several pathways may form …

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Physics Preprint PDF DOI

A Novel Differential Pathlength Factor Model for Near-Infrared Diffuse Optical Imaging

Kaiser Niknam, Mannu Bardhan Paul, Mini Das · 2026

Near infrared diffuse optical imaging can be performed in reflectance and transmission mode and relies on physical models along with measurements to extract information on changes in chromophore conce…

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Physics Preprint PDF DOI

The Lambert $W$ equation of state in light of DESI BAO

Vipin Chandra Dubey, Subhajit Saha, Abdulla Al Mamon · 2026

We investigate the hypothesis that the evolution of the Universe can be described by a single dark fluid whose effective equation of state (EoS), $\omega_{\rm{eff}}$, is a linear combination of a loga…

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Physics Preprint PDF DOI

Lambert W Function Framework for Graphene Nanoribbon Quantum Sensing: Theory, Verification, and Multi-Modal Applications

F. A. Chishtie, K. Roberts, N. Jisrawi, S. R. Valluri, A. Soni, P. C. Deshmukh · 2026

We establish a rigorous mathematical framework connecting graphene nanoribbon quantum sensing to the Lambert W function through the finite square well (FSW) analogy. The Lambert W function, defined as…

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Physics Preprint PDF DOI

AMBER -- A Strong-Interaction Facility at CERN

Bernhard Ketzer, Michela Chiosso (for the AMBER Collaboration) · 2026

AMBER (NA66) is a fixed-target facility at the M2 beam line of CERN SPS, which performs worldwide unique research on the internal structure and the excitation spectrum of hadrons. The approved first p…

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Physics Preprint PDF DOI

Gauge-Invariant Phase Mapping to Intensity Lobes of Structured Light via Closed-Loop Atomic Dark States

Nayan Sharma, Ajay Tripathi · 2025

We present an analytical model showing how the gauge-invariant loop phase in a three-level closed-loop atomic system imprints as bright-dark lobes in Laguerre Gaussian probe beam intensity patterns. I…

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Physics Preprint PDF DOI

Closed-Form Expressions for Five-Digit Reflex Camber-Line Design Parameters

Kio M. Lovric · 2025

Despite nearly a century of use in tailless and flying-wing aircraft, the NACA five-digit reflex camber-line family lacks published closed-form expressions for the governing design integrals; practiti…

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