Results 51 to 60 of about 2,249 (157)

Rotating optical soliton clusters

, 2001
We introduce the concept of soliton clusters -- multi-soliton bound states in a homogeneous bulk optical medium, and reveal a key physical mechanism for their stabilization associated with a staircase-like phase distribution that induces a net angular ...
A. S. Desyatnikov, A. S. Desyatnikov, A. S. Desyatnikov, A. V. Buryak, Anton S. Desyatnikov, B. A. Malomed, C. Ren, G. I. Stegeman, I. Towers, J. E. Williams, J. J. García-Ripoll, J. Schjødt-Eriksen, L. Poladian, M. Shin, M. Soljaĉić, M. Soljaĉić, R. Battye, T. Carmon, V. V. Steblina, Yuri S. Kivshar   +19 more
core   +1 more source

Primordial black holes from cosmic necklaces [PDF]

, 2005
Cosmic necklaces are hybrid topological defects consisting of monopoles and strings. We argue that primordial black holes(PBHs) may have formed from loops of the necklaces, if there exist stable winding states, such as coils and cycloops.
A. Avgoustidis, A. Vilenkin, C. Herdeiro, E.J. Copeland, G. Dvali, G. Dvali, J. Garcia-Bellido, K. Hashimoto, M. Gomez-Reino, M.Yu. Khlopov, M.Yu. Khlopov, N. Barnaby, N.T. Jones, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, T. Matsuda, Tomohiro Matsuda   +24 more
core   +5 more sources

Enhanced precision in axle configuration inference for bridge weigh‐in‐motion systems using computer vision and deep learning

Computer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 30, Page 6201-6216, 19 December 2025.
Abstract Heavy goods vehicles (HGVs) have a significant impact on road and bridge infrastructure, with overloaded vehicles accelerating structural deterioration and increasing safety risks. Bridge weigh‐in‐motion (B‐WIM) systems estimate gross vehicle weight (GVW) using strain measurements, but inaccuracies in axle configuration recognition can reduce ...
Domen Šoberl, Jan Kalin, Andrej Anžlin, Maja Kreslin, Klen Čopič Pucihar, Matjaž Kljun, Doron Hekič, Aleš Žnidarič   +7 more
wiley   +1 more source

Probing superfluidity with quantum vortex necklaces and Leggett's bounds

Physical Review Research
We theoretically investigate a binary Bose-Einstein condensate in which the majority component hosts a vortex necklace, whose vortex cores act as moving effective potential wells for the minority component.
Andrea Richaud, Pietro Massignan
doaj   +1 more source

Fractional Hopfions in the Faddeev-Skyrme model with a symmetry breaking potential

, 2017
We construct new solutions of the Faddeev-Skyrme model with a symmetry breaking potential admitting $S^1$ vacuum. It includes, as a limiting case, the usual $SO(3)$ symmetry breaking mass term, another limit corresponds to the potential $m^2 \phi_1^2 ...
Samoilenka, A., Shnir, Ya.
core   +1 more source

Singularities Motion Equations in 2-Dimensional Ideal Hydrodynamics of Incompressible Fluid

, 2011
In this paper, we have obtained motion equations for a wide class of one-dimensional singularities in 2-D ideal hydrodynamics. The simplest of them, are well known as point vortices.
A.V. Tur, Aref, Aref, Crowdy, Fine, Gelfand, Glaz, K.N. Kulik, Kimura, Kraichnan, Lamb, McComb, Meleshko, Newton, Novikov, Novikov, Onsager, Pointin, Saffinan, Tur, V.V. Yanovsky, Vladimirov, Yanovsky, Ziglin   +23 more
core   +1 more source

Geometric stabilization of extended S=2 vortices in two-dimensional photonic lattices: theoretical analysis, numerical computation and experimental results [PDF]

, 2009
In this work, we focus our studies on the subject of nonlinear discrete self-trapping of S=2 (doubly-charged) vortices in two-dimensional photonic lattices, including theoretical analysis, numerical computation and experimental demonstration.
D. Song, J. Xu, K. J. H. Law, P. G. Kevrekidis, P. G. Kevrekidis, Yu. S. Kivshar, Zhigang Chen   +6 more
core   +3 more sources

Creation of Bessel–Gaussian Beams from Necklace Beams via Second-Harmonic Generation

Photonics
The interest in (quasi-)nondiffracting beams is rooted in applications spanning from secure sharing cryptographic keys real-world free-space optical communications and high-order harmonic generation to high-aspect-ratio nanochannel machining ...
Nikolay Dimitrov, Kiril Hristov, Maya Zhekova, Alexander Dreischuh   +3 more
doaj   +1 more source

Smart Textile Systems for Loneliness Monitoring in Older People Care: A Review of Sensing and Design Innovations

Advanced Electronic Materials, Volume 11, Issue 16, October 6, 2025.
This review explores the potential of smart textile systems for monitoring loneliness in older adults. It presents key behavioral and physiological indicators of loneliness and evaluates recent sensing and design innovations in smart textile technology. The study identifies challenges and outlines opportunities for developing user‐centered, comfortable
Yi Zhou, John Ratcliffe, Erika Molteni, Ashay Patel, Jingqi Liu, Nikitia Mexia, Jessica Rees, Faith Matcham, Michela Antonelli, Anthea Tinker, Yu Shi, Sebastien Ourselin, Wei Liu   +12 more
wiley   +1 more source

Enhancing Thermal Conductivity in Electrospun Polymer Structures for Heat Management Applications

Small Structures, Volume 6, Issue 10, October 2025.
This review discusses the role of electrospinning in developing thermally conductive polymers for enhanced heat transfer. It covers the fundamentals of heat conduction, electrospinning, and strategies for further enhancing the thermal conductivity of electrospun polymers. Additionally, it highlights measurement methods, current challenges, and emerging
Ahmadreza Moradi, Urszula Stachewicz
wiley   +1 more source