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It is well known that cellular dynamical mean-field theory (CDMFT) leads to the artificial breaking of translation invariance. In spite of this, it is one of the most successful methods to treat strongly correlated electrons systems. Here,…

强关联电子 · 物理学 2020-01-01 S. Verret , J. Roy , A. Foley , M. Charlebois , D. Sénéchal , A. -M. S. Tremblay

In this paper, the impulse response for a 3-D microfluidic channel in the presence of Poiseuille flow is obtained by solving the diffusion equation in radial coordinates. Using the radial distribution, the axial distribution is then…

新兴技术 · 计算机科学 2019-12-11 Fatih Dinc , Bayram Cevdet Akdeniz , Ali Emre Pusane , Tuna Tugcu

We study the combined effect of delayed Raman response and bit pattern randomness on pulse propagation in massive multichannel optical fiber communication systems. The propagation is described by a perturbed stochastic nonlinear…

斑图形成与孤子 · 物理学 2009-11-13 Yeojin Chung , Avner Peleg

We study vertical variations of wave-periods of magnetoacoustic two-fluid waves in the partially ionized lower solar atmosphere, consisting of ion (proton) + electron and neutral (atomic hydrogen) fluids, which are coupled by ion-neutral…

太阳与恒星天体物理 · 物理学 2022-11-30 J. Kraśkiewicz , K. Murawski , Z. E. Musielak

We study the time evolution of the wave function of a particle bound by an attractive $\delta$-function potential when it is subjected to time dependent variations of the binding strength (parametric excitation). The simplicity of this…

数学物理 · 物理学 2009-10-31 Alexander Rokhlenko , Joel L. Lebowitz

A thermodynamically consistent phase-field model is introduced for simulating multicellular deformation, and aggregation under flow conditions. In particular, a Lennard-Jones type potential is proposed under the phase-field framework for…

数值分析 · 数学 2022-05-17 Lingyue Shen , Ping Lin , Zhiliang Xu , Shixin Xu

Millimeter-wave (mmWave) propagation is known to be severely affected by the blockage of the line-of-sight (LoS) path. In contrast to microwave systems, at shorter mmWave wavelengths such blockage can be caused by human bodies, where their…

Magnetohydrodynamic (MHD) simulations of the solar atmosphere are often performed under the assumption that the plasma is fully ionized. However, in the lower solar atmosphere a reduced temperature often results in only the partial…

太阳与恒星天体物理 · 物理学 2022-11-09 Conor D. MacBride , David B. Jess , Elena Khomenko , Samuel D. T. Grant

Based on recent experiments with time-lapse fluorescent imaging, we propose a cellular automaton model for the dynamics of vascular endothelial cells (ECs) in angiogenic morphogenesis. The model successfully reproduces cell mixing behavior,…

元胞自动机与格子气 · 物理学 2015-07-22 Keisuke Matsuya , Hiroki Kurihara , Tetsuji Tokihiro

Contacts' temporal ordering and dynamics are crucial for understanding the transmission of infectious diseases. We introduce an interaction-driven model of an airborne disease over contact networks. We demonstrate our interaction-driven…

社会与信息网络 · 计算机科学 2022-08-11 Alex Abbey , Yanir Marmor , Yuval Shahar , Osnat Mokryn

Based upon the membrane currents generated by an action potential in a biologically realistic model of a pyramidal, hippocampal cell within rat CA1, we perform a moment expansion of the extracellular field potential. We decompose the…

神经元与认知 · 定量生物学 2007-11-06 J. N. Milstein , Christof Koch

In this paper, we present the analytical theory of attosecond pulse formation via optical modulation of an active medium of the hydrogen-like C5+ plasma-based X-ray laser at 3.4 nm wavelength in the "water window" range, taking into account…

光学 · 物理学 2021-01-04 V. A. Antonov , I. R. Khairulin , Olga Kocharovskaya

Computer simulations of (i) a [C12mim][Tf2N] film of nanometric thickness squeezed at kbar pressure by a piecewise parabolic confining potential reveal a mesoscopic in-plane density and composition modulation reminiscent of mesophases seen…

材料科学 · 物理学 2009-11-19 N. Manini , M. Cesaratto , M. G. Del Popolo , P. Ballone

The new frontier in cellular networks is harnessing the enormous spectrum available at millimeter wave (mmWave) frequencies above 28 GHz. The challenging radio propagation characteristics at these frequencies, and the use of highly…

网络与互联网体系结构 · 计算机科学 2016-06-08 Marco Mezzavilla , Sanjay Goyal , Shivendra Panwar , Sundeep Rangan , Michele Zorzi

This paper aims to exploit the fundamental limits on the downlink coverage and spatial throughput performances of a cellular network comprised of a tier of unmanned aerial vehicle (UAV) base stations (BSs) using the millimeter wave (mmWave)…

信息论 · 计算机科学 2019-08-21 Chun-Hung Liu , Kai-Hsiang Ho , Jwo-Yuh Wu

In slowly evolving spherical potentials, $\Phi(r,t)$, radial actions are typically assumed to remain constant. Here, we construct dynamical invariants that allow us to derive the evolution of radial actions in spherical central potentials…

星系天体物理 · 物理学 2021-09-14 Jan D. Burger , Jorge Peñarrubia , Jesús Zavala

Many new applications of ferroelastic materials require a better understanding of their dynamics that often involve phase transformations. In such cases, an important prerequisite is the understanding of wave propagation caused by…

材料科学 · 物理学 2007-05-23 Linxiang X. Wang , Roderick V. N. Melnik

The partial ionization of the solar plasma causes several nonideal effects such as the ambipolar diffusion, the Hall effect, and the Biermann battery effect. Here we report on the first three-dimensional realistic simulations of solar local…

太阳与恒星天体物理 · 物理学 2020-11-04 P. A. Gonzalez-Morales , E. Khomenko , N. Vitas , M. Collados

To optimize mobile health interventions and advance domain knowledge on intervention design, it is critical to understand how the intervention effect varies over time and with contextual information. This study aims to assess how a push…

应用统计 · 统计学 2024-10-22 Jiaxin Yu , Tianchen Qian

This paper presents an improved version of the previously proposed self-consistent drift-diffusion-reaction model correcting for non-physical behavior at longer time scales. To this end a novel boundary condition is employed that takes into…

材料科学 · 物理学 2020-06-19 Behrouz Raftari , Neil Budko , Kees Vuik