Now showing items 127-146 of 147

• #### Shoaling of nonlinear steady waves: maximum height and angle of breaking ﻿

(2015-12-31)
A Fourier approximation method is used for modeling and simu- lation of fully nonlinear steady waves. The set of resulting nonlinear equations are solved by Newton’s method. The shoaling of waves is simulated based on ...
• #### Spectral properties of hyperbolic nano-networks with tunable aggregation of simplexes ﻿

(2019)
Cooperative self-assembly is a ubiquitous phenomenon found in natural systems which is used for designing nanostructured materials with new functional features. Its origin and mechanisms, leading to improved functionality ...
• #### Spin-orbit interaction in three-dimensionally bounded semiconductor nanostructures ﻿

(2010-12-31)
The structural inversion asymmetry-induced spin-orbit interaction of conduction band electrons in zinc-blende and wurtzite semiconductor structures is analysed allowing for a three-dimensional (3D) character of the external ...
• #### Stability analysis of a renewal equation for cell population dynamics with quiescence ﻿

(2014-12-31)
We propose a model to analyze the dynamics of interacting proliferating and quiescent cell populations. The model includes age dependence of cell division, transitions between the two subpopulations, and regulation of the ...
• #### Stability analysis of delayed SIR epidemic models with a class of nonlinear incidence rates ﻿

(2012-12-31)
We analyze stability of equilibria for a delayed SIR epidemic model, in which population growth is subject to logistic growth in absence of disease, with a nonlinear incidence rate satisfying suitable monotonicity conditions. ...
• #### Stability analysis of multi-compartment models for cell production systems ﻿

(2012-12-31)
We study two-and three-compartment models of a hierarchical cell production system with cell division regulated by the level of mature cells. We investigate the structure of equilibria with respect to parameters as well ...
• #### Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials ﻿

(2011-12-31)
The dynamic responses of ferroelectric materials upon external mechanical and electrical stimulations are inherently nonlinear and coupled. In the current paper, a macroscopic differential model is constructed for the ...
• #### 'Superluminal paradox' in wave packet propagation and its quantum mechanical resolution ﻿

(2013-12-31)
We analyse in detail the reshaping mechanism leading to apparently 'superluminal' advancement of a wave packet traversing a classically forbidden region. In the coordinate representation, a barrier is shown to act as an ...
• #### Synthesis of Monodisperse Spherical Nanocrystals ﻿

(2016-01-29)
Nanoparticles, small units of matter with dimensions in the range 1-100 nm, exhibit many advantageous size-dependent magnetic, electrical, chemical and optical prop- erties, which are not observed at the microscale or ...
• #### The airfoil equation on near disjoint intervals: Approximate models and polynomial solutions ﻿

(2016-01-01)
The airfoil equation is considered over two disjoint intervals. Assuming the distance between the intervals is small an approximate solution is found and relationships between this approximation and the solution of the ...
• #### Theoretical Study of the Dissociative Adsorption of Methane on Ir(111): The Role of Steps and Surface Distortions at High Temperatures ﻿

(2016-01-01)
In this work we revisit the dissociative adsorption of methane on Ir(111) through density functional theory calculations. We focus on the role of surface defects entailing undercoordinated Ir atoms (e.g., steps), and ...
• #### Thermal ablation of biological tissues in disease treatment: A review of computational models and future directions ﻿

(2020-03)
Percutaneous thermal ablation has proved to be an effective modality for treating both benign and malignant tumors in various tissues. Among these modalities, radiofrequency ablation (RFA) is the most promising and widely ...
• #### Three Dimensional Metallic Carbon from Distorting sp3-Bond ﻿

(2016-01-01)
Owing to the outstanding properties of metallic carbon as well as their great potential applications, design and synthesis of metallic carbon have long attracted considerable attention. In this work, a new three-dimensional ...
• #### A Tool for Custom Construction of QMC and RQMC Point Sets ﻿

(2021)
We present LatNet Builder, a software tool to find good parameters for lattice rules, polynomial lattice rules, and digital nets in base 2, for quasi-Monte Carlo (QMC) and randomized quasi-Monte Carlo (RQMC) sampling over ...
• #### Traveling waves for models of phase transitions of solids driven by configurational forces ﻿

(2011-12-31)
This article is concerned with the existence of traveling wave solutions, including standing waves, to some models based on configurational forces, describing respectively the diffusionless phase transitions of solid ...
• #### Tuning $g$-factor of electrons through spin-orbit coupling in GaAs/AlGaAs conical quantum dots ﻿

(2016-01-01)
We investigate band structures of (Formula presented.) three-dimensional conical quantum dots (QDs). In particular, we explore the influence of the Rashba and Dresselhaus spinâ€“orbit couplings in the variation of effective ...
• #### Two types of condition for the global stability of delayed sis epidemic models with nonlinear birth rate and disease induced death rate ﻿

(2012-12-31)
We study global asymptotic stability for an SIS epidemic model with maturation delay proposed by K. Cooke, P. van den Driessche and X. Zou, Interaction of maturation delay and nonlinear birth in population and epidemic ...
• #### Unveiling Interfacial Li-Ion Dynamics in Li7La3Zr2O12/PEO(LiTFSI) Composite Polymer-Ceramic Solid Electrolytes for All-Solid-State Lithium Batteries ﻿

(2021-06-23)
Unlocking the full potential of solid-state electrolytes (SSEs) is key to enabling safer and more-energy dense technologies than today’s Li-ion batteries. In particular, composite materials comprising a conductive, flexible ...
• #### Valley-dependent Lorentz force and Aharonov-Bohm phase in strained graphene p-n junction ﻿

(2019)
Veselago lens focusing in graphene p-n junction is promising for realizations of new generation electron optics devices. However, the effect of the strain-induced Aharonov-Bohm interference in a p-n junction has not been ...
• #### Variance Reduction with Array-RQMC for Tau-Leaping Simulation of Stochastic Biological and Chemical Reaction Networks ﻿

(2021)
We explore the use of Array-RQMC, a randomized quasi-Monte Carlo method designed for the simulation of Markov chains, to reduce the variance when simulating stochastic biological or chemical reaction networks with ...