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We prove the existence of a liquid-gas phase transition for continuous Gibbs point process in $\mathbb{R}^d$ with Quermass interaction. The Hamiltonian we consider is a linear combination of the volume $\mathcal{V}$, the surface measure…

概率论 · 数学 2025-11-25 David Dereudre , Christopher Renaud-Chan

Recent developments of the AC-calorimetric technique adapted for the needs of high pressure experiments are discussed. A semi-quantitative measurement of the specific heat with a Bridgman-type of pressure cell as well as a diamond anvil…

强关联电子 · 物理学 2015-06-24 Heribert Wilhelm

Graphene exhibits extraordinary electronic and mechanical properties, and extremely high thermal conductivity. Being a very stable atomically thick membrane that can be suspended between two leads, graphene provides a perfect test platform…

The interaction of flexible polymers with fluid flows leads to a number of intriguing phenomena observed in laboratory experiments, namely drag reduction, elastic turbulence and heat transport modification in natural convection, and is one…

流体动力学 · 物理学 2018-10-29 Roberto Benzi , Emily S. C. Ching

This paper is devoted to describe the finite-dimensionality of a two-dimensional micropolar fluid flow with periodic boundary conditions. We define the notions of determining modes and nodes and estimate the number of them, we also estimate…

偏微分方程分析 · 数学 2007-05-23 Piotr Szopa

Modeling transition-continuum hypersonic flows poses significant challenges due to thermodynamic nonequilibrium and the associated breakdown of the continuum assumption. Standard continuum models such as the Navier-Stokes equations are…

流体动力学 · 物理学 2025-06-18 Mikolaj Kryger , Jonathan F. MacArt

Two-fluid relativistic plasma flow equations combine the equations of relativistic hydrodynamics with Maxwell's equations for electromagnetic fields, which involve divergence constraints for the magnetic and electric fields. When developing…

Compared with linear time invariant systems, linear periodic system can describe the periodic processes arising from nature and engineering more precisely. However, the time-varying system parameters increase the difficulty of the research…

信号处理 · 电气工程与系统科学 2023-03-16 Jiachen Qian , Zhisheng Duan , Peihu Duan , Zhongkui Li

An approximate equation for the effective conductivity sigma_eff of systems with a finite maximal scale of inhomogeneities is deduced. An exact solution of this equation is found and its physical meaning is discussed. A two-phase randomly…

无序系统与神经网络 · 物理学 2007-05-23 S. A. Bulgadaev

We devise a simplified parameter estimator for a second order stochastic differential equation by a first order system based on the Smoluchowski-Kramers approximation. We establish the consistency of the estimator by using…

统计理论 · 数学 2018-09-28 Ziying He , Jinqiao Duan , Xiujun Cheng

Carbon disulfide, CS$_2$, is an archetypal double-bonded molecular system belonging to the rich class of group IV-group VI, AB$_2$ compounds. It is widely and since long time believed that upon compression at several GPa a polymeric chain…

Motivated by recent success in the dynamical systems approach to transitional flow, we study the efficiency and effectiveness of extracting simple invariant sets (recurrent flows) directly from chaotic/turbulent flows and the potential of…

流体动力学 · 物理学 2015-06-19 Dan Lucas , Rich Kerswell

We show that the one-dimensional (1D) two-fluid model (TFM) for stratified flow in channels and pipes (in its incompressible, isothermal form) satisfies an energy conservation equation, which arises naturally from the mass and momentum…

流体动力学 · 物理学 2023-10-26 J. F. H. Buist , B. Sanderse , S. Dubinkina , R. A. W. M. Henkes , C. W. Oosterlee

We provide a new proof for the global well-posedness of systems coupling fluids and polymers in two space dimensions. Compared to the well-known existing method based on the losing a priori estimates, our method is more direct and much…

偏微分方程分析 · 数学 2012-03-14 Zhen Lei , Yun Wang

We investigate the entropy $H(\mu,t)$ of a probability measure $\mu$ along the heat flow and more precisely we seek for closed algebraic representations of its derivatives. Provided that $\mu$ admits moments of any order, it is indeed…

信息论 · 计算机科学 2024-06-18 Paul Mansanarez , Guillaume Poly , Yvik Swan

In this article we discuss flows in shallow, stratified horizontal layers of two immiscible fluids. The top layer is an electrolyte which is electromagnetically driven and the bottom layer is a dielectric fluid. Using a…

流体动力学 · 物理学 2020-06-22 Balachandra Suri , Jeffrey Tithof , Radford Mitchell , Roman O. Grigoriev , Michael F. Schatz

This is the second part of a two parts work on the analysis of heat-type equations on manifolds with fibered boundary equipped with a $\Phi$-metric. This setting generalizes the asymptotically conical (scattering) spaces and includes…

偏微分方程分析 · 数学 2023-02-28 Bruno Caldeira , Giuseppe Gentile

Context: With the recent surge of planetary surveys focusing on detecting Earth-mass planets around M dwarfs, it is becoming more important to understand chromospheric activity in M dwarfs. Stellar chromospheric calcium emission is…

太阳与恒星天体物理 · 物理学 2023-03-22 C. J. Marvin , A. Reiners , G. Anglada-Escudé , S. V. Jeffers , S. Boro Saikia

In this paper, we develop a numerical scheme to handle interfaces across computational domains in multi-block schemes for the approximation of systems of conservation laws. We are interested in transmitting shock discontinuities without…

数值分析 · 数学 2021-05-11 Pablo Montes , Oscar Reula

Polymer Physics: Phenomenology of Polymeric Fluid Simulations is a review volume that I am writing. I anticipate it will take a while to complete, so I am supplying individual chapters when each is more-or-less completed. This Chapter…

软凝聚态物质 · 物理学 2022-10-26 George D. J. Phillies