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We apply the strategy proposed in the companion paper [1] for dealing with multiple dispersive bounds, to the case of sub-threshold branch-cuts, which is a topic addressed extensively in the literature (see, e.g., Refs. [2-8]). We consider…

高能物理 - 唯象学 · 物理学 2026-03-25 Silvano Simula , Ludovico Vittorio

In this paper, we discuss a possibility to improve constraints on spin-dependent short-range interactions in the range of 1 - 200 micrometer significantly. For such interactions, our constraints are without competition at the moment. They…

核实验 · 物理学 2010-03-04 S. Baeßler , V. V. Nesvizhevsky , G. Pignol , K. V. Protasov , A. Yu. Voronin

This paper discusses new perspectives and approaches to the problem of disk dynamics where, in this study, we focus on the effects of viscous instabilities influenced by boundary effects. The Boussinesq approximation of the viscous large…

天体物理学 · 物理学 2009-11-13 O. M. Umurhan , G. Shaviv

A mechanism is presented that suggests shielded 3-D magnetic perturbations can destabilize microinstabilities and enhance the associated anomalous transport. Using local 3-D equilibrium theory, shaped tokamak equilibria with small 3-D…

等离子体物理 · 物理学 2015-06-11 Thomas Bird , Chris Hegna

An efficient algorithm for SU(2) symmetric matrix product states (MPS) with periodic boundary conditions (PBC) is proposed and implemented. It is applied to a study of the spectrum and correlation properties of the spin-1…

强关联电子 · 物理学 2017-08-24 Mykhailo V. Rakov , Michael Weyrauch

We propose a novel approach to the problem of cosmological perturbations in a braneworld model with induced gravity, which leads to a closed system of equations on the brane. We focus on a spatially closed brane that bounds the interior…

广义相对论与量子宇宙学 · 物理学 2014-04-23 Alexander Viznyuk , Yuri Shtanov , Varun Sahni

The relaxation time of a classical spin interacting with a large conduction-electron system is computed for a weak magnetic field, which initially drives the spin out of equilibrium. We trace the spin and the conduction-electron dynamics on…

介观与纳米尺度物理 · 物理学 2020-09-29 Michael Elbracht , Michael Potthoff

Hexagonal boron nitride (hBN) has emerged as a promising two-dimensional platform for quantum sensing, due to its optically addressable spin defects, such as the negatively charged boron vacancy ($V_{\text{B}}^-$). Despite hBN being…

Steady structures originating from dynamic self-assembly have begun to show their advantages in new generation materials, and pose challenges to equilibrium self-assembly. In view of the important role of confinement in self-assembly, here,…

计算物理 · 物理学 2019-08-06 Rui-fen Zhang , Chun-lai Ren , Jia-wei Feng , Yu-qiang Ma

Axion-like particles and similar new pseudoscalar as well as vector bosons coupled to nucleons and electrons are predicted to lead to spin-dependent forces in atoms and ions. We argue that hyperfine structure measurements in hydrogen- and…

高能物理 - 唯象学 · 物理学 2026-03-03 Cedric Quint , Fabian Heiße , Joerg Jaeckel , Lutz Leimenstoll , Christoph H. Keitel , Zoltán Harman

We study the question of bounded-input bounded-output (BIBO) stability of a class of 1-D hyperbolic boundary control systems, which, in particular, contains distributed port-Hamiltonian systems. Exploiting the particular structure of the…

最优化与控制 · 数学 2025-09-30 Felix L. Schwenninger , Alexander A. Wierzba

This work presents a cascaded hybrid control framework for quadrotor trajectory tracking under nonlinear dynamics and external disturbances. In quadrotor systems, the altitude and attitude channels exhibit fast, structured dynamics that are…

系统与控制 · 电气工程与系统科学 2026-05-14 Yukang Zhang , Shuqi Chai , Yuhang Zhang , Danlan Huang , Quanbo Ge

Previous studies demonstrate that grain-boundary sliding could accelerate creep rate and give rise to large internal stresses that can lead to damage development, e.g. formation of wedge cracks. The present study provides more insight into…

材料科学 · 物理学 2021-03-02 Markian Petkov , Elsiddig Elmukashfi , Edmund Tarleton , Alan C. F. Cocks

Bound states in the continuum (BICs) have exhibited extraordinary properties in photonics for enhanced light-matter interactions that enable appealing applications in nonlinear optics, biosensors, and ultrafast optical switches. The most…

We systematically investigated the impact of boundary confinement on the shear-thickening rheology of dense granular suspensions. Under highly confined conditions, dense suspensions were found to exhibit size-dependent or even rarely…

软凝聚态物质 · 物理学 2024-10-10 Haitao Hu , Yiqiu Zhao , Weiwei Zhao , Ligen Qiao , Qin Xu

This paper reports the bistability of curved compression ramp (CCR) flows. It reveals that both separation and attachment states can be stably established even for the same boundary conditions. Firstly, to investigate the effects of initial…

流体动力学 · 物理学 2022-02-25 Yan-Chao Hu , Gang Wang , Wen-Feng Zhou , Ming-Zhi Tang , Yan-Guang Yang , Zhi-Gong Tang

Electromagnetic embedded eigenstates, also known as bound states in the continuum (BICs), hold a great potential for applications in sensing, lasing, enhanced nonlinearities and energy harvesting. However, their demonstrations so far have…

应用物理 · 物理学 2021-03-08 Rasmus E. Jacobsen , Alex Krasnok , Samel Arslanagic , Andrei V. Lavrinenko , Andrea Alu

Tunable bound states in the continuum (BICs) in metasurfaces offer powerful opportunities to control light-matter interactions, yet the role of out-of-plane symmetry breaking remains poorly understood. Here, we reveal a mechanism that…

光学 · 物理学 2026-05-12 Hao Song , Yanming Sun , Jian Li , Wanlin Wang , Ming Chun Tang

Sensitive boundary condition dependence (BCD) is reported in a convectively unstable system with noise, where the amplitude of generated oscillatory dynamics in the downstream depends sensitively on the boundary value. This BCD is explained…

chao-dyn · 物理学 2007-05-23 Koichi Fujimoto , Kunihiko Kaneko

Superconducting, curved magnets can reduce accelerator footprints by producing strong fields (>3T) and reducing the total number of magnets through their capability for combined-function multipolar fields, making them an attractive choice…

加速器物理 · 物理学 2025-02-10 Hannah X. Q. Norman , Robert B. Appleby , Elena Benedetto , Suzie L. Sheehy