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We propose a maximally disassortative (MD) network model which realizes a maximally negative degree-degree correlation, and study its percolation transition to discuss the effect of a strong degree-degree correlation on the percolation…

物理与社会 · 物理学 2020-02-11 Shogo Mizutaka , Takehisa Hasegawa

Synchronization, the temporal coordination of coupled oscillators, allows fireflies to flash in unison, neurons to fire collectively and human crowds to fall in step on the London Millenium bridge. Here, we interpret active (or…

统计力学 · 物理学 2019-10-02 Demian Levis , Ignacio Pagonabarraga , Benno Liebchen

Grain boundary migration governs microstructural evolution in crystalline materials, directly influencing mechanical properties such as strength and thermal stability. Disconnections, which are line defects formed at grain boundaries in…

材料科学 · 物理学 2026-03-27 Hongrui He , Hao Lyu , Xueting Si

Controlling magnetism in low dimensional materials is essential for designing devices that have feature sizes comparable to several critical length scales that exploit functional spin textures, allowing the realization of low-power…

Random Boolean networks, originally invented as models of genetic regulatory networks, are simple models for a broad class of complex systems that show rich dynamical structures. From a biological perspective, the most interesting networks…

无序系统与神经网络 · 物理学 2009-11-07 Joshua E. S. Socolar , Stuart A. Kauffman

Natural and technological interdependent systems have been shown to be highly vulnerable due to cascading failures and an abrupt collapse of global connectivity under initial failure. Mitigating the risk by partial disconnection endangers…

Topological insulators represent a new quantum state of matter which is characterized by edge or surface states and an insulating band gap in the bulk. In a two dimensional (2D) system based on the HgTe quantum well (QW) of critical width…

介观与纳米尺度物理 · 物理学 2021-12-01 G. M. Gusev , Z. D. Kvon , D. A. Kozlov , E. B. Olshanetsky , M. V. Entin , N. N. Mikhailov

Majorana fermions and their generalizations to $\mathbb{Z}_n$ parafermions are considered promising building blocks of fault-tolerant quantum computers for their ability to encode quantum information nonlocally. In such topological quantum…

量子物理 · 物理学 2025-09-05 Ali Hamed Safwan , Raditya Weda Bomantara

The recent endeavors of the research community to unite efforts on the design and evaluation of congestion control algorithms have created a growing collection of congestion control schemes called Pantheon. However, the virtual network…

网络与互联网体系结构 · 计算机科学 2019-12-24 Evgeniya Khasina

Computer simulations of minimal population-dynamics models have long been used to explore questions in ecosystems coexistence and species biodiversity, via simple agent-based models of three interacting species, referred to as $R$, $P$, and…

种群与进化 · 定量生物学 2024-10-07 Dave Cliff

A basal animal model is described as an organism similar to a Limpet that is attached to the sea floor living in a reproductive community. Its brain model uses logic cells (gates) to create a high frequency spike generator. Addition logic…

其他定量生物学 · 定量生物学 2016-12-19 Robert Alan Brown

We show that quantum systems of extended objects naturally give rise to a large class of exotic phases - namely topological phases. These phases occur when the extended objects, called ``string-nets'', become highly fluctuating and…

强关联电子 · 物理学 2009-11-10 Michael A. Levin , Xiao-Gang Wen

Webs are a kind of planar, directed, edge-labeled graph that encode invariant vectors for quantum representations of $\mathfrak{sl}_n$. The theory of webs developed organically for $\mathfrak{sl}_2$, where they are also known as noncrossing…

表示论 · 数学 2025-10-16 Heather M. Russell , Julianna Tymoczko

We show how to construct a dynamic ordered dictionary, supporting insert/delete/rank/select on a set of $n$ elements from a universe of size $U$, that achieves the optimal amortized expected time complexity of $O(1 + \log n / \log \log U)$,…

数据结构与算法 · 计算机科学 2025-10-23 William Kuszmaul , Jingxun Liang , Renfei Zhou

The migration of grain boundaries leads to grain growth in polycrystals and is one mechanism of grain-boundary-mediated plasticity, especially in nanocrystalline metals. This migration is due to the movement of dislocation-like defects,…

材料科学 · 物理学 2024-05-09 Swetha Pemma , Rebecca Janisch , Gerhard Dehm , Tobias Brink

The migration of grain boundaries leads to grain growth in polycrystals and is one mechanism of grain-boundary-mediated plasticity, especially in nanocrystalline metals. This migration is due to the movement of dislocation-like defects,…

材料科学 · 物理学 2024-07-08 Swetha Pemma , Rebecca Janisch , Gerhard Dehm , Tobias Brink

Simulations of five different coarse-grained models of symmetric diblock copolymer melts are compared to demonstrate a universal (i.e., model-independent) dependence of the free energy on the invariant degree of polymerization…

软凝聚态物质 · 物理学 2015-06-18 Jens Glaser , Pavani Medapuram , Thomas M. Beardsley , Mark W. Matsen , David C. Morse

We propose FineGAN, a novel unsupervised GAN framework, which disentangles the background, object shape, and object appearance to hierarchically generate images of fine-grained object categories. To disentangle the factors without…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Krishna Kumar Singh , Utkarsh Ojha , Yong Jae Lee

Using a positive semidefinite operator technique one deduces exact ground states for a zig-zag hexagon chain described by a non-integrable Hubbard model with on-site repulsion. Flat bands are not present in the bare band structure, and the…

强关联电子 · 物理学 2009-10-15 Reka Trencsenyi , Endre Kovacs , Zsolt Gulacsi

Many complex networks, including human societies, the Internet, the World Wide Web and power grids, have surprising properties that allow vertices (individuals, nodes, Web pages, etc.) to be in close contact and information to be…

统计力学 · 物理学 2007-05-23 David Lusseau