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This paper discusses the geometry of a surface endowed with a slope metric. We obtain necessary and sufficient conditions for any surface of revolution to admit a strongly convex slope metric. Such conditions involve certain inequalities…

微分几何 · 数学 2021-02-01 P. Chansagiam , P. Chansri , S. V. Sabau

This paper is concerned with the mathematical analysis of time-dependent fluid-solid interaction problem associated with a bounded elastic body immersed in a homogeneous air or fluid above a local rough surface. We reformulate the unbounded…

偏微分方程分析 · 数学 2018-07-25 Changkun Wei , Jiaqing Yang

In this paper, we investigate topological modes of different physical systems defined on arbitrary two-dimensional curved surfaces. We consider the shallow water equations, inhomogeneous Maxwell's equations, Jackiw-Rebbi model and show how…

介观与纳米尺度物理 · 物理学 2023-08-21 Dmitry S. Ageev , Askar A. Iliasov

A local classification of spacelike surfaces in Minkowski 4-space, which are invariant under spacelike rotations, and with mean curvature vector either vanishing or lightlike, is obtained. Furthermore, the existence of such surfaces with…

广义相对论与量子宇宙学 · 物理学 2009-08-05 Stefan Haesen , Miguel Ortega

In this article, we compute the limit of the Wang--Yau quasi-local mass on a family of surfaces approaching the apparent horizon (the near horizon limit). Such limit is first considered in [1]. Recently, Pook-Kolb, Zhao, Andersson,…

广义相对论与量子宇宙学 · 物理学 2024-08-07 Po-Ning Chen

We present local mappings that relate the marginal probabilities of a global probability mass function represented by its primal normal factor graph to the corresponding marginal probabilities in its dual normal factor graph. The mapping is…

机器学习 · 统计学 2022-08-11 Mehdi Molkaraie

The time evolution of the out-of-equilibrium Mott insulator is investigated numerically through calculations of space-time resolved density and entropy profiles resulting from the release of a gas of ultracold fermionic atoms from an…

量子气体 · 物理学 2015-05-13 Daniel Karlsson , Claudio Verdozzi , Mariana M. Odashima , Klaus Capelle

In the realm of contemporary physics, the bootstrap method is typically associated with an optimization-based approach to problem-solving. This method leverages our understanding of a specific physical problem, which is used as the…

高能物理 - 理论 · 物理学 2024-01-02 Zechuan Zheng

We investigate the operation of pyramidal magneto-optical traps (MOTs) microfabricated in silicon. Measurements of the loading and loss rates give insight into the role of the nearby surface in the MOT dynamics. Studies of the fluorescence…

原子物理 · 物理学 2013-12-02 S Pollock , J P Cotter , A Laliotis , F Ramirez-Martinez , E A Hinds

Magneto-Optical Traps have been used for several decades. Among fundamental mechanisms occuring in such traps, the magnitude of the multiple scattering is still unclear. Indeed, many experimental situations cannot be modeled easily,…

原子物理 · 物理学 2014-06-11 Rudy Romain , Hélène Louis , Philippe Verkerk , Daniel Hennequin

Tight triangulated manifolds are generalisations of neighborly triangulations of closed surfaces and are interesting objects in Combinatorial Topology. Tight triangulated manifolds are conjectured to be minimal. Except few, all the known…

几何拓扑 · 数学 2015-06-02 Basudeb Datta

We show that the measure of the so-called {\it release-energy}, which is an experimentally accessible quantity, makes it possible to assess the value of the Mott gap in the presence of the confinement potential that is unavoidable in the…

量子气体 · 物理学 2015-05-19 Juan Carrasquilla , Federico Becca

By considering a two ended warped product manifold, we demonstrate a bifurcation that can occur when metric trapping interacts with a boundary. In this highly symmetric example, as the boundary passes through the trapped set, one goes from…

偏微分方程分析 · 数学 2021-08-13 Kiril Datchev , Jason Metcalfe , Jacob Shapiro , Mihai Tohaneanu

We give an overview of the constrained Willmore problem and address some conjectures arising from partial results and numerical experiments. Ramifications of these conjectures would lead to a deeper understanding of the Willmore functional…

微分几何 · 数学 2022-03-03 Lynn Heller , Franz Pedit

A marginally trapped surface in the four-dimensional Minkowski space is a spacelike surface whose mean curvature vector is lightlike at each point. We associate a geometrically determined moving frame field to such a surface and using the…

微分几何 · 数学 2012-05-30 Georgi Ganchev , Velichka Milousheva

Spaces of quasi-invariant measures supplied with different topologies are studied. Their embeddings, projective decompositions, conditions for their metrizability are investigated. Theorems about convergence of nets of quasi-invariant…

概率论 · 数学 2016-06-08 Sergey Victor Ludkowski

In "The Yang-Mills equations over Riemann surfaces", Atiyah and Bott studied Yang-Mills functional over a Riemann surface from the point of view of Morse theory. We generalize their study to all closed, compact, connected, possibly…

辛几何 · 数学 2008-08-05 Nan-Kuo Ho , Chiu-Chu Melissa Liu

I survey theoretical advances in our understanding of the quantum phases and phase transitions of Mott insulators, and of allied conducting systems obtained by doping charge carriers. A number of new experimental examples of Mott insulators…

强关联电子 · 物理学 2009-04-23 Subir Sachdev

We study the stability of excitonic Mott phases in the presence of a periodic potential and a non-local exciton-exciton interaction. The non-local interaction is treated in a mean-field approximation, while the local repulsion of the…

材料科学 · 物理学 2025-11-18 K. Ziegler , R. Ya. Kezerashvili

We study the center-of-mass motion in systems of trapped interacting particles with space- and velocity-dependent friction and anharmonic traps. Our approach, based on a dynamical ansatz assuming a fixed density profile, allows us to obtain…

原子物理 · 物理学 2014-05-16 Alain Olivetti , Guillaume Labeyrie , Robin Kaiser