Expertini Research Research

Browse Research Papers

21,975+ open-access research outputs.

โœ• Clear
๐Ÿ” ning zhang ๐Ÿ“‚ Physics
Showing 21975 results for "ning zhang" in Physics
Physics Preprint PDF DOI

Discrete Lattice Models for Interface Growth on a Complete Graph

J. M. Marcos, J. J. Melendez, R. Cuerno, J. J. Ruiz-Lorenzo ยท 2026

We investigate the behavior of discrete interface growth models belonging to the Edwards--Wilkinson (EW) and Kardar--Parisi--Zhang (KPZ) universality classes, when defined on a complete graph, a topolโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Second harmonic generation and third harmonic generation in topological insulator-based van der Waals metamaterials

Alessandra Di Gaspare, Sara Ghayeb, Craig Knox, Edmund H. Linfield, Joshua Freeman, Miriam S. Vitiello ยท 2026

High-order harmonic generation (HHG) in solids - the frequency up-conversion of an optical signal - is governed by symmetries. At terahertz (THz) frequencies, HHG is a key technology to access high frโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Shift of the maxima of the critical currents of different polarity relative to the zero magnetic flux along the flux axis in a superconducting asymmetric aluminum ring

V. I. Kuznetsov, O. V. Trofimov ยท 2026

We measured the rectification of an ac voltage in a structure of superconducting circularly-asymmetric aluminum rings in series, permeated with a magnetic flux and biased with a low-frequency alternatโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

To stall-cell or not to stall-cell: Variational data assimilation of 3D mean flow past a stalled airfoil

Uttam Cadambi Padmanaban, Craig Thompson, Bharathram Ganapathisubramani, Sean Symon ยท 2026

The full-field reconstruction of three-dimensional (3D) turbulent flows from sparse experimental measurements remains a significant challenge, particularly for flows exhibiting complex 3D flow separatโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Probing dust properties through polarized scattered-light images of a sample of ring-shaped protoplanetary disks

Maxime Roumesy, Francois Menard, Gaspard Duchene, Ryo Tazaki, Christian Ginski ยท 2026

The evolution of protoplanetary disks, especially in the early stages of planetary formation, as dust grows, is the cornerstone of the birth of planets. The mechanisms involved in the growth of sub-miโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Galilean boost invariance does not survive the trace: symmetry breaking in open quantum systems

Leonardo F. Calderon, Esteban Marulanda, Santiago Morales, Leonardo A. Pachon ยท 2026

Tracing out a Galilean-invariant Caldeira-Leggett environment breaks Galilean boost covariance of the reduced dynamics, while spatial translations and rotations survive intact. An operator-level analyโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Bound-State Resonances of Schwarzschild-de Sitter Black Holes: Analytic Treatment

Qi-Dong Chen, Chong-Bin Chen, Guo-Qing Huang, Fu-Wen Shu, Tieguang Zi ยท 2026

Inspired by Mashhoon's framework connecting black hole quasi-normal modes (QNMs) to bound-state resonances in inverted potentials, V$\ddot{\text{o}}$lkel's recent numerical analysis of asymptotically โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

First Observation of Multiple Very-Near-Earth Reconnection Events During a Single Storm Main Phase

Fekireselassie Beyene, Vassilis Angelopoulos, Christine Gabrielse, Yoshizumi Miyoshi, Iku Shinohara, Shoichiro Yokota, Satoshi Kasahara, Kunihiro Keika, Tomoaki Hori, Yasumasa Kasaba, Yoshiya Kasahara, Ayako Matsuoka, Mariko Teramoto, Kazuhiro Yamamoto ยท 2026

For the first time, this paper presents three very-near-Earth reconnection (VNERX) events observed within the same 12-hour-long storm main phase. The THEMIS inner probes observed the hallmarks of threโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Coupling between stellar and HI lopsidedness in Milky Way-type galaxies from the Auriga Superstars cosmological simulations

Arianna Dolfi, Facundo A. Gomez, Rebekka Bieri, Francesca Fragkoudi, Robert J. J. Grand, Antonela Monachesi, Ruediger Pakmor, Freeke van de Voort ยท 2026

Lopsidedness is common in disk galaxies, yet its origin and evolution remain unclear. Previous studies typically examined stellar and gas asymmetries separately, but a combined analysis offers a stronโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Longitudinal beam instability driven by coherent radiation in an SSMB laser modulator

Yingjie Dai, Zhuoyuan Liu, Tong Li, Xiujie Deng, Lixin Yan ยท 2026

Storage ring-based steady-state microbunching (SSMB) is a promising approach for generating high-average-power coherent radiation, while the instabilities driven by coherent undulator radiation in theโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

On matrix Lax representations for (1+1)-dimensional evolutionary differential-difference equations

Sergei Igonin ยท 2026

Differential-difference matrix Lax representations (Lax pairs), gauge transformations, and discrete Miura-type transformations (MTs) belong to the main tools in the theory of (nonlinear) integrable diโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Radial Profiles of Binary Fraction in Elliptical Galaxies

Xiejin Li, Fenghui Zhang, Yinghe Zhao, Cheng Li, Zhanwen Han, Yunkun Han, Xiaoyu Kang ยท 2026

The radial profile of binary fraction may vary with environment and is of significant importance for studying the formation mechanisms of binary stars and their dynamical evolution within globular cluโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

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

Per Arne Rikvold ยท 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 eโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A cm-wave quantum noise limited resonant superconducting parametric amplifier

V. Gilles, T. Sweetnam, B. Mohammadian, M. A. McCulloch, L. Piccirillo ยท 2026

Superconducting Parametric Amplifiers (SPAs) have seen great interest in recent years due to their high gain and quantum limited noise performance. Among these amplifiers, resonant SPAs have been wideโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Complex first-passage transport in ring networks with long-range jumps and stochastic resetting

Oscar Ivan Torres Mena, Francisco J Sevilla ยท 2026

The transport properties of discrete-time random walks on ring networks with deterministic shortcuts are investigated through analytical and numerical methods. The network consists of a periodic chainโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Kinetics of segregation of topologically-modified ring polymers in cylindrical confinement

Harsh Doshi, Shreerang Pande, Sathish K. Sukumaran, Apratim Chatterji ยท 2026

In Escherichia coli (E. coli), entropic repulsion between the two daughter DNA ring polymers under cylindrical confinement is believed to be an important factor governing chromosomal segregation. The โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Arbitrary parallel entangling gates with independent calibration on a trapped ion quantum computer

Matthew Diaz, Masoud Mohammadi-Arzanagh, Yingyue Zhu, Mohammad Hafezi, Norbert M. Linke, Alaina M. Green, Arthur Y. Nam ยท 2026

Parallel processing of information plays a critical role in accelerating computation. This includes quantum computers, where parallel processing of quantum information will play a critical role in praโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Structure Prediction and Bonding Analysis of B$_{18}$Ag$_2$ Clusters Featuring Double-Ring Motifs

Peter Ludwig Rodriguez-Kessler ยท 2026

The structural stability, electronic structure, and bonding characteristics of the silver-doped boron cluster B18Ag2 were investigated using density functional theory (DFT) combined with global optimiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Fast radio burst dispersion is an unbiased tracer of matter on large scales

Shion Andrew, Haochen Wang, Kiyoshi Masui, Josh Borrow, Calvin Leung, Ryan Raikman, Matthieu Schaller, Joop Schaye, James M. Sullivan ยท 2026

The dispersion of fast radio bursts (FRBs) measures the column density of free electrons, tracing the diffuse ionized gas that contains more than $90\%$ of all baryons. On linear scales the FRB disperโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Quantum Error Correction Exploiting Quantum Spatial Distribution and Gauge Symmetry

Ryo Asaka ยท 2026

We explore what the integrated use of quantum spatial distribution (QSD), or more specifically, superposition of both spin and position states of particles, and gauge symmetry (GS) within stabilizer fโ€ฆ

Read Paper โ†’
Page 1 of 1099 Next โ†’