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Common notions of entanglement are based on well-separated subsystems. However, obtaining such independent degrees of freedom is not always possible because of physical constraints. In this work, we explore the notion of entanglement in the…

量子物理 · 物理学 2025-04-08 Franziska Barkhausen , Laura Ares Santos , Stefan Schumacher , Jan Sperling

In this Letter, we present a rigorous method to study the stability of periodic lasing systems. In a linear model, the presence of a continuum of modes (with arbitrarily close lasing thresholds) gives the impression that stable single-mode…

光学 · 物理学 2020-08-04 Mohammed Benzaouia , Alexander Cerjan , Steven G. Johnson

We study complete non-compact manifolds of positive scalar curvature, with a focus on how curvature decay is constrained by topology at infinity. Our first main result shows that topological linking at infinity forces polynomial decay of…

微分几何 · 数学 2026-04-09 Shunichiro Orikasa

We study the dynamical evolution of the deposition interface using both discrete and continuous models for which shadowing effects are important. We explain why continuous and discrete models implying both only shadowing deposition do not…

数学物理 · 物理学 2007-05-23 Thu Huong Vo Thi , Pascal Brault , Jean-Louis Rouet , Stephane Cordier

We discuss infinitesimal isometries of the middle surfaces and present some characteristic conditions for a function to be the normal component of an infinitesimal isometry. Our results show that those characteristic conditions depend on…

偏微分方程分析 · 数学 2013-10-22 Peng-Fei Yao

We apply the local removable singularity theorem for minimal laminations and the local picture theorem on the scale of topology to obtain two descriptive results for certain possibly singular minimal laminations of $\mathbb{R}^3$. These two…

微分几何 · 数学 2016-11-24 William H. Meeks , Joaquin Perez , Antonio Ros

We study the shapes of pored membranes within the framework of the Helfrich theory under the constraints of fixed area and pore size. We show that the mean curvature term leads to a budding- like structure, while the Gaussian curvature term…

软凝聚态物质 · 物理学 2013-05-09 Zhenwei Yao , Rastko Sknepnek , Creighton K. Thomas , Monica Olvera de la Cruz

Ptychographic reconstructions in reflection geometries are commonly interpreted with the same two-dimensional thin-sample model used in transmission, yet the validity of this approximation has not been established. We develop a…

光学 · 物理学 2026-04-08 Sander Senhorst , Stefan Witte , Wim Coene

The influence of polydispersity on the magnetization is analyzed in a nonequilibrium situation where a cylindrical ferrofluid column is enforced to rotate with constant frequency like a rigid body in a homogeneous magnetic field that is…

流体动力学 · 物理学 2009-11-13 A. Leschhorn , J. P. Embs , M. L"ucke

We are interested in the impact of entropies on the geometry of a hypersurface of a Riemannian manifold. In fact, we will be able to compare the volume entropy of a hypersurface with that of the ambient manifold, provided some geometric…

微分几何 · 数学 2013-08-06 Said Ilias , Barbara Nelli , Marc Soret

Some of the main results of [Cotti G., Dubrovin B., Guzzetti D., Duke Math. J., to appear, arXiv:1706.04808], concerning non-generic isomonodromy deformations of a certain linear differential system with irregular singularity and coalescing…

经典分析与常微分方程 · 数学 2018-08-28 Davide Guzzetti

It is shown here that fracture after a brief plastic strain, typically of a few percents, is a necessary consequence of the polycrystalline nature of the materials. The polycrystal undergoing plastic deformation is modeled as a flowing…

材料科学 · 物理学 2018-08-28 Miguel Lagos , César Retamal , Rodrigo Valle

We show that electronic materials with disallowed rotational symmetries that enforce quasiperiodic order can exhibit quantum oscillations and that these are generically associated with exotic "spiral Fermi surfaces." These Fermi surfaces…

介观与纳米尺度物理 · 物理学 2019-08-21 Stephen Spurrier , Nigel R. Cooper

The authors study theoretically reflection on the surface of a metamaterial with a hyperbolic dispersion. It is found that reflection is strongly dependent on how the surface is terminated with respect to the asymptote of the hyperbolic…

光学 · 物理学 2008-11-10 Xin Li , Zixian Liang , Xiaohan Liu , Xunya Jiang , Jian Zi

Nonlinear perturbation of Fuchsian systems are studied in a region including two singularities. It is proved that such systems are generally not analytically equivalent to their linear part (they are not linearizable) and the obstructions…

经典分析与常微分方程 · 数学 2009-11-13 Rodica D. Costin

This paper studies the quantization of the deformation of Hessian structures on a two-dimensional vector space, in the framework of Koszul-Vinberg algebras. We analyze how Hessian structures can be deformed to obtain quantum structures…

We study the global behavior of (weakly) stable constant mean curvature hypersurfaces in general Riemannian manifolds. By using harmonic function theory, we prove some one-end theorems which are new even for constant mean curvature…

微分几何 · 数学 2007-05-23 Xu Cheng , Leung-fu Cheung , Detang Zhou

We consider variational problems that model the bending behavior of curves that are constrained to belong to given hypersurfaces. Finite element discretizations of corresponding functionals are justified rigorously via Gamma-convergence.…

数值分析 · 数学 2020-04-24 Sören Bartels

Considering an integer $d>0$, we show the existence of convex-cocompactrepresentations of surface groups into SO(4,1) admitting an embedded minimal map withcurvatures in $(-1,1)$ and whose associated hyperbolic 4-manifolds are disk bundles…

微分几何 · 数学 2023-12-27 Samuel Bronstein

These revised lecture notes are an expository account of part of the proof of Thurston's Ending Lamination Conjecture for Kleinian surface groups, which states that such groups are uniquely determined by invariants that describe the…

几何拓扑 · 数学 2007-05-23 Yair N. Minsky
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