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Capturing the dynamics of active particles, i.e., small self-propelled agents that both deform and are deformed by a fluid in which they move is a formidable problem as it requires coupling fine scale hydrodynamics with large scale…

软凝聚态物质 · 物理学 2025-09-09 Sadra Saremi , Amirhossein Ahmadkhan Kordbacheh

We report here the analysis of the near-infrared transit spectrum of the hot-Jupiter HAT-P-32b which was recorded with the Wide Field Camera 3 (WFC3) on-board the Hubble Space Telescope (HST). HAT-P-32b is one of the most inflated…

地球与行星天体物理 · 物理学 2018-02-28 M. Damiano , G. Morello , A. Tsiaras , T. Zingales , G. Tinetti

The high-pressure behavior of monoclinic VO$_2$ is revisited by a combination of Raman spectroscopy and X-ray diffraction on a single crystal under hydrostatic conditions at room temperature. A soft mode is observed up to P$_c$ = 13.9(1)…

强关联电子 · 物理学 2025-01-14 P. Bouvier , L. Bussmann , D. Machon , I. Breslavetz , G. Garbarino , P. Strobel , V. Dmitriev

A systematic analysis of low-lying quadrupole and octupole collective states is presented, based on the microscopic energy density functional framework. By mapping the deformation constrained self-consistent axially symmetric mean-field…

核理论 · 物理学 2014-02-26 K. Nomura , D. Vretenar , T. Niksic , Bing-Nan Lu

We employ a relativistic transport theory to describe the fireball expansion of the matter created in ultra-relativistic heavy-ion collisions (uRHICs). Developing an approach to fix locally the shear viscosity to entropy density $\eta/s$,…

核理论 · 物理学 2013-04-25 S. Plumari , V. Greco , L. P. Csernai

Two kinetic models are proposed for high-temperature rarefied (or non-equilibrium) gas flows with radiation. One of the models uses the Boltzmann collision operator to model the translational motion of gas molecules, which has the ability…

流体动力学 · 物理学 2023-06-28 Qi Li , Jianan Zeng , Lei Wu

Understanding the behavior of complex molecular systems is a fundamental problem in physical chemistry. To describe the long-time dynamics of such systems, which is responsible for their most informative characteristics, we can identify a…

化学物理 · 物理学 2024-09-11 Jakub Rydzewski

We show that a consistent hydrodynamic description of soft-hadronic one- and two-particle observables (the HBT radii) studied in the relativistic heavy-ion collisions at RHIC may be obtained if one uses the Gaussian energy density profile…

核理论 · 物理学 2009-04-24 W. Florkowski , W. Broniowski , M. Chojnacki , A. Kisiel

High-resolution imagery is essential for accurate 3D reconstruction, as many geometric details only emerge at fine spatial scales. Recent feed-forward approaches, such as the Visual Geometry Grounded Transformer (VGGT), have demonstrated…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Tianrun Chen , Yuanqi Hu , Yidong Han , Hanjie Xu , Deyi Ji , Qi Zhu , Chunan Yu , Xin Zhang , Cheng Chen , Chaotao Ding , Ying Zang , Xuanfu Li , Jin Ma , Lanyun Zhu

SpectraPlot is a web-based application for simulating spectra of atomic and molecular gases. At the time this manuscript was written, SpectraPlot consisted of four primary tools for calculating: 1) atomic and molecular absorption spectra,…

With a view on the formal analogy between Riemann-von-Mangoldts explicit formula and semiclassical quantum mechanics in terms of the Gutzwiller trace formula we construct a complex-valued Hamiltonian $H(q,p)=\xi(q)p$ from the holomorphic…

数学物理 · 物理学 2020-12-01 Dirk Lebiedz

In Hamiltonian systems subjected to periodic perturbations the stable and unstable manifolds of the unstable periodic orbits provide the dynamical "skeleton" that drives the mixing process and bounds the chaotic regions of the phase space.…

等离子体物理 · 物理学 2016-10-05 David Ciro Taborda , Todd Edwin Evans , Iberê Luiz Caldas

The development of a set of high-order accurate finite-volume formulations for evaluation of the pressure gradient force in layered ocean models is described. A pair of new schemes are presented, both based on an integration of the contact…

大气与海洋物理 · 物理学 2017-06-28 Darren Engwirda , Maxwell Kelley , John Marshall

Vibrational spectroscopy is key for probing the interplay between the structure and dynamics of aqueous systems. In order to map different regions of experimental spectra to the microscopic structure of a system, it is important to combine…

化学物理 · 物理学 2021-08-09 Sam Shepherd , Jinggang Lan , David M. Wilkins , Venkat Kapil

We propose Iterative Homography Network, namely IHN, a new deep homography estimation architecture. Different from previous works that achieve iterative refinement by network cascading or untrainable IC-LK iterator, the iterator of IHN has…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Si-Yuan Cao , Jianxin Hu , Zehua Sheng , Hui-Liang Shen

Liquid-liquid phase transitions have been found experimentally or by computer simulations in many compounds such as water, hydrogen, sulfur, phosphorus, carbon, silica, and silicon. Limited valence model implemented via event-driven…

软凝聚态物质 · 物理学 2024-07-02 S. V. Buldyrev

The geometry of dynamical systems estimated from trajectory data is a major challenge for machine learning applications. Koopman and transfer operators provide a linear representation of nonlinear dynamics through their spectral…

机器学习 · 统计学 2025-09-30 Thibaut Germain , Rémi Flamary , Vladimir R. Kostic , Karim Lounici

The nonlinear optical response of materials under high-intensity electromagnetic fields is key to advancing THz optical technologies. This study introduces a theoretical approach to estimate the nonlinear refractive index coefficient n2 of…

Most radiotracers used in dynamic positron emission tomography (PET) scanning act in a linear time-invariant fashion so that the measured time-course data are a convolution between the time course of the tracer in the arterial supply and…

Increasing demand for practical applications is forcing deeper research into optical vortices (OVs): from the generation and measurement to shaping and multiple singularities manipulation of OVs. Herein, we propose a new type of phase…

光学 · 物理学 2020-02-12 Chen Wang , Yuan Ren , Tong Liu , Song Qiu , Zhimeng Li , Hao Wu