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๐Ÿ” xiangjun peng ๐Ÿ“‚ Physics
Showing 888 results for "xiangjun peng" in Physics
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

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Quantum algorithm for solving high-dimensional linear stochastic differential equations via amplitude encoding of the noise term

Koichi Miyamoto ยท 2026

This work studies quantum algorithms to solve high-dimensional stochastic differential equations (SDEs) $\mathrm{d} \mathbf{X}_t = A(t) \mathbf{X}_t \mathrm{d} t + B(t) \mathrm{d} \mathbf{W}_t$. Aiminโ€ฆ

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Geometry selective colossal negative dielectric permittivity in CaFe2O4 nanostructures

Sourav Sarkar, Kalyan Mandal ยท 2026

Negative permittivity metamaterial is a scientifically rich avenue due to its tremendous application in several arena of materials research including novel superlens, band-gap materials, invisibility โ€ฆ

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Wigner functions, negativity volumes, and experimental generation of Pegg-Barnett phase-operator eigenstates

Hiroo Azuma ยท 2026

In this paper, we study the non-Gaussianity of the eigenstates of the Pegg-Barnett phase observable. By computing the Wigner functions of the eigenstates, we confirm that they take negative values in โ€ฆ

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The Dyson Minds 2025 Workshop: SETI around Black Holes

Olivia Curtis, Van Hunter Adams, Daniel Angerhausen, Joseph Bates, Anamaria Berea, Steven J. Dick, Martin Elvis, Sunil P. Khatri, Richard Linares, Manushaqe Muco, S. Seager, Jason T. Wright ยท 2026

The Dyson Minds 2025 Workshop, held at the Center for Brains, Minds & Machines at MIT and organized by Penn State, MIT, and The Ultraintelligence Foundation, brought together researchers in astrophysiโ€ฆ

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Heteronuclear Polarization Transfers Between Spin-locked and Anti-Longitudinal Spin States in the NMR of Liquids and Spinning Solids

Sundaresan Jayanthi, Adonis Lupulescu, Julia Grinshtein, Lucio Frydman ยท 2026

Recently, Pang et al reported a novel polarization transfer scheme applicable to three-spin systems, whereby a rotating-frame NMR analogue of the cross effect could transfer polarization between; e.g.โ€ฆ

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An improvement of model-independent method for meson charge radius calculation

Kohei Sato, Hiromasa Watanabe, Takeshi Yamazaki ยท 2026

We propose a variant of the model-independent method for determining meson charge radii from spatial moments of correlation functions on the lattice. Traditional determinations based on fits to the moโ€ฆ

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Cosmological Wavefunctions as Amplitudes: Dual Shuffle Factorization and Uniqueness from New Hidden Zeros

Yang Li, Laurentiu Rodina ยท 2026

We show that cosmological wavefunctions in $\phi^n$ theories naturally generalize flat-space $\mathrm{Tr}(\phi^3)$ scattering amplitudes: via a simple map from tube variables to Mandelstam invariants,โ€ฆ

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A multiphysics model for triboelectric nanogenerator design with explicit surface roughness representation

MD Tanzib Ehsan Sanglap, Jack Perris, Rudra Mukherjee, Charchit Kumar, Lukasz Kaczmarczyk, Chris J. Pearce, Daniel M. Mulvihill, Andrei G. Shvarts ยท 2026

The design of triboelectric nanogenerators (TENGs) for efficient energy harvesting requires predictive models that capture the interplay between surface roughness, real contact area, and electrostaticโ€ฆ

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Rediscussion of Eclipsing Binaries. Paper XXX. The Slightly Evolved F-type System BK Pegasi

A.C. Kutluay, J. Southworth ยท 2026

BK Peg is a double-lined detached eclipsing binary containing two late-F stars in an orbit with small eccentricity. We use light curves from the Transiting Exoplanet Survey Satellite (TESS) and spectrโ€ฆ

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Photometric masses for long period CVs: the case study of CSS131106

M. Das, S. P. Littlefair, S. G. Parsons, V. S. Dhillon, M. J. Dyer, A. J. Brown, J. A. Garbutt, M. J. Green, D. Jarvis, M. R. Kennedy, P. Kerry, E. Pike, D. I. Sahman, Amalie Yates, J. McCormac, N. Castro Segura, J. Munday, I. Pelisoli ยท 2026

We present high-speed photometry of the eclipsing cataclysmic variable CSS131106 J052412+004148. We determine the system parameters by modelling the eclipse lightcurve using the photometric eclipse meโ€ฆ

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Mesoscopic Modeling of Dynamic Tetra-PEG Hydrogel Networks

Pietro Miotti, Lucien Cousin, Mark W. Tibbitt, Igor V. Pivkin ยท 2026

We introduce a mesoscopic model of dynamic Tetra-PEG hydrogel networks based on a hybrid Dissipative Particle Dynamics/Monte Carlo (DPD/MC) approach. Polymer chains are described by Finite Extensible โ€ฆ

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Hybrid Tribo/piezoelectic Electrospun Nanofibers for Energy Harvesting Enhancement in Flexible Electronics

Hao Zhang, Yurong He, Yaofeng Jin, Hui Wang, Wanqi Ye, Lidong Chen, Kaiyang Zeng ยท 2026

Triboelectric nanogenerators or TENGs and piezoelectric nanogenerators or PENGs have emerged as promising platforms for harvesting mechanical energy and converting it into electrical energy for poweriโ€ฆ

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Quantum entanglement provides a competitive advantage in adversarial games

Peiyong Wang, Kieran Hymas, James Quach ยท 2026

Whether uniquely quantum resources confer advantages in fully classical, competitive environments remains an open question. Competitive zero-sum reinforcement learning is particularly challenging, as โ€ฆ

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A Scalable Distributed Quantum Optimization Framework via Factor Graph Paradigm

Yuwen Huang, Xiaojun Lin, Bin Luo, John C.S. Lui ยท 2026

Distributed quantum computing (DQC) connects many small quantum processors into a single logical machine, offering a practical route to scalable quantum computation. However, most existing DQC paradigโ€ฆ

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Correcting hybrid density functionals to model Y6 and other non-fullerene acceptors

Tom Ward, Isabel Creed, Tim Rein, Jarvist Moore Frost ยท 2026

Recently developed fused-ring organic electron-acceptors such as Y6 have strong oscillator strength, good charge-carrier transport and low bandgaps. They therefore have enormous current technical applโ€ฆ

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A Unified Approach for Coupled Beam Optics in Accelerators

Onur Gilanliogullari, Brahim Mustapha, Pavel Snopok ยท 2026

Coupled beam optics can be geometrically described in terms of invariant eigenmode planes of a stable symplectic ``one-turn'' map $\mathcal M\in Sp(4)$. We show that the non-uniqueness of symplecticalโ€ฆ

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Experimental realization and self-testing of semisymmetric informationally complete measurements via a one-dimensional photonic quantum walk

Xu Xu, Han-Yu Cheng, Meng-Yun Ma, Chao-Jie Sun, Yan Wang, Li-Jiong Shen, Zhe Sun, Qi-Ping Su, Chui-Ping Yang, Yong-Nan Sun ยท 2026

Generalized quantum measurements play a crucial role in quantum mechanics, and symmetric informationally complete positive operator-valued measurements (SIC POVMs) provide a powerful and flexible framโ€ฆ

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Particle, kinetic and hydrodynamic models for sea ice floes. Part II: Rotating floes with nonlinear contact forces

Quanling Deng, Seung-Yeal Ha, Jaemoon Lee ยท 2026

This paper extends the multiscale modeling framework introduced in Part I (Deng and Ha, Physica D: Nonlinear Phenomena 483 (2025) 134951) for sea-ice floe dynamics with non-rotating floes to the case โ€ฆ

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Resource-Efficient Digitized Adiabatic Quantum Factorization

Felip Pellicer, Juan Jose Garcia-Ripoll, Alan C. Santos ยท 2026

Digitized adiabatic quantum factorization is a hybrid algorithm that exploits the advantage of digitized quantum computers to implement efficient adiabatic algorithms for factorization through gate deโ€ฆ

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