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🔍 lin qi 📂 Physics
Showing 5979 results for "lin qi" in Physics
Physics Preprint PDF DOI

The link between coil non planarity and magnetic surface geometry in QI stellarators: a data driven study

Andrea Pavone, Felix Warmer · 2026

Stellarator fusion devices confine plasma by means of complex, non-planar electromagnetic coils. Understanding how the shape of the plasma boundary determines the required complexity of the coil set i…

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Physics Preprint PDF DOI

Geometric-Phase (Pancharatnam-Berry) Correction for Time-Bin Photonic Qudits: A Calibration and Feed-Forward Algorithm

Ryan Rae-Cheng Wee, Josef Bruzzese · 2026

We develop a geometric-phase framework for time-bin photonic qudits and propose a practical calibration and feed-forward algorithm for separating and compensating geometric (Pancharatnam-Berry), dynam…

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Physics Preprint PDF DOI

A unified quantum random walk model for internal crystal effects in dynamical diffraction

Owen Lailey, Dusan Sarenac, David G. Cory, Michael G. Huber, Dmitry A. Pushin · 2026

The theory of dynamical diffraction (DD) in perfect crystals is the backbone of high-precision neutron and X-ray diffraction experiments, enabling accurate determination of crystal structure factors a…

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Physics Preprint PDF DOI

Beyond Single Trajectories: Optimal Control and Jordan-Lie Algebra in Hybrid Quantum Walks for Combinatorial Optimization

Tianen Chen, Yun Shang · 2026

The Quantum Approximate Optimization Algorithm (QAOA) follows a single, fixed evolution path, overlooking the potential computational advantage of coherently superposing multiple trajectories. Here we…

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Physics Preprint PDF DOI

A Lie-algebraic Criterion for the Universality of Exponentiated Quantum Gates

Yinuo Xue, Qian Chen, Jing-Song Huang · 2026

We present a criterion that serves as the basis for a polynomial-time algorithm to decide whether a finite set of qudit gates exponentiated by some Hamiltonians is universal. Our approach formulates u…

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Physics Preprint PDF DOI

Multi-tracers, multi-surveys: data-driven EFT prior calibration from the PFS--DESI overlap

Nhat-Minh Nguyen · 2026

Marginalizing over roughly 12 effective-field-theory (EFT) nuisance parameters per tracer per redshift bin is the dominant systematic cost in full-shape galaxy power spectrum analyses. Simulation-base…

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Physics Preprint PDF DOI

On the Role of Prompt Photons in the Anisotropic Emission of Direct Photons -- Direct Photons from Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV with IP-Glasma Initial Condition

Fu-Ming Liu · 2026

The anisotropic emission of direct photons from Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV was calculated using a (3+1)-dimensional viscous hydrodynamic model with the impact parameter Glasma initial…

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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

Measurement of the Weyl Potential Evolution and $E_G$ Statistic from KiDS-1000, BOSS and 2dFLenS

Xuwei Zhang, Ming Zhang, Yunliang Ren, Xiaofeng Yang · 2026

A recently developed model-independent approach to measuring the Weyl potential has shown some tensions with $\Lambda$CDM (Lambda Cold Dark Matter) in DES (Dark Energy Survey) Y3 data. We apply this f…

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Physics Preprint PDF DOI

Clash of the Trident and Tuning Fork: insights from bar and spiral strength in the (massive black hole)-stellar mass diagrams, and the `Triangal' galaxy evolution schema

Alister W. Graham · 2026

The `Triangal' galaxy evolution schema is used to assess whether the Tuning Fork (bar strength) or the van~den~Bergh Trident and ATLAS$^{3D}$ Comb (spiral strength) offer greater evolutionary insight.…

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Physics Preprint PDF DOI

The Operation Control System for the Tianlai Experiment

Jixia Li, Fengquan Wu, Shijie Sun, Yougang Wang, Xuelei Chen · 2026

The Tianlai 21cm intensity mapping experiment is located at the Hongliuxia Observing Station, which is a remote site with excellent electromagnetic environment. To facilitate the operation of the Tian…

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Physics Preprint PDF DOI

On Fin Based Propulsion and Maneuvering for Uncrewed Underwater Vehicles

Parker Thomas Grobe · 2026

Bio-inspired propulsion using oscillating fins has gained attention for its potential to achieve high thrust, efficiency, and maneuverability. Many aquatic organisms generate propulsion through coordi…

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Physics Preprint PDF DOI

MUSE-DARK III: The evolution of the radial acceleration relation at intermediate redshifts

B. I. Ciocan, N. F. Bouche, J. Fensch, D. Krajnovic, J. Freundlich, H. Desmond, B. Famaey, R. Techi · 2026

The radial acceleration relation (RAR) is a tight empirical correlation between the observed radial acceleration (a_tot) and the baryonic radial acceleration (a_bar) measured across galaxy radii: thes…

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Physics Preprint PDF DOI

Modeling of the magnetic stellar wind braking of the ssrAp 33 Lib (HD137949)

A.G. Nikiforov, V.D. Bychkov, M.V. Barkov · 2026

Using the ssrAp star 33 Lib (HD137949) as an example, we show that magnetic braking caused by the interaction of a strong magnetic field with a stellar wind can play a key role in slowing the rotation…

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Physics Preprint PDF DOI

Hydrodynamic loads and vortex evolution from a bio-inspired pectoral fin near a solid body

Xiaowei He, Kenneth Breuer · 2026

A fin-body configuration is tested in a water tunnel to study the hydrodynamic loads and vortex evolution under dynamic fin-flapping motions, which is an idealized approximation of the pectoral fins o…

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Physics Preprint PDF DOI

3D near-de Sitter gravity and the soft mode of DSSYK

Tommaso Marini, Xiao-Liang Qi, Herman Verlinde · 2026

We present a dual gravity interpretation of the complex reparametrization mode $\psi(u)$ that governs the soft dynamics of double-scaled SYK in the presence of a time-dependent Maldacena-Qi coupling. …

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Physics Preprint PDF DOI

Chaotic migration of LISA Extreme Mass Ratio Inspirals in a turbulent accretion disk: effect on waveform de-phasing

Mudit Garg, Lucio Mayer, Yinhao Wu, Yacine Ali-Haimoud, Douglas N.C. Lin · 2026

Gravitational wave (GW) detector LISA will observe near-coalescence extreme mass ratio inspirals (EMRIs), which typically form in galactic central accretion disks. Gas torques on EMRI will alter its G…

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Physics Preprint PDF DOI

Black hole mass, host galaxy mass, and dark matter halos: Testing the environmental connection

G. Mountrichas, F. Shankar, F. J. Carrera, A. Georgakakis · 2026

We investigate the connection between supermassive black holes (SMBHs), their host galaxies, and large-scale dark-matter halos using broad-line X-ray AGN from the XMM--XXL and Stripe\,82X surveys, tog…

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Physics Preprint PDF DOI

Landauer-based study of transport in Chern insulator heterostructures

J. Luna-Ramos, A. Martin-Ruiz · 2026

We study charge transport through a trivial-topological-trivial junction described by the continuous Qi-Wu-Zhang model, which realizes a two-dimensional Chern-insulating phase. The central region is t…

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Physics Preprint PDF DOI

Understanding Quantum Instruments

Akel Hashim · 2026

The quantum instrument (QI) formalism is required to model mid-circuit measurements (MCMs) and the dependence of the post-measurement state on the measurement outcome. Correctly modeling QIs is essent…

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