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Efficient two-dimensional atom localization in a five-level conductive chiral atomic medium via birefringence beam absorption spectrum

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Communications in Theoretical Physics 2021年第1期73卷 25-34页

作者： Sajid Ali Muhammad Idrees Bakth Amin Bacha arif ullah Muhammad Haneef Lab of Theoretical Physics Department of PhysicsHazara UniversityMansehra 21300Pakistan Quantum Optics and Quantum Information Research Group Department of PhysicsUniversity of MalakandChakdara Dir(L)Khyber PakhtunkhwaPakistan Zhejiang Province Key Laboratory of Quantum Technology and Device Department of PhysicsZhejiang UniversityHangzhou 310027China

We have theoretically investigated two-dimensional atom localization using the absorption spectra of birefringence beams of light in a single wavelength *** atom localization is controlled and modified through tunneling effect in a conductive chiral atomic medium with absorption spectra of birefringent *** significant localization peaks are investigated in the left and right circularly polarized *** and double localized peaks are observed in different quadrants with minimum uncertainty and significant *** localized probability is modified by controlling birefringence and tunneling *** results may be useful for the capability of optical microscopy and atom imaging.

关键词： 2D atom localization birefringence beam absorption chiral atomic medium

Spatial-dependent probe transmission based high-precision two-dimensional atomic localization

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Communications in Theoretical Physics 2021年第4期73卷 69-74页

作者： Muhammad Idrees Humaira Kalsoom Bakth Amin Bacha arif ullah Li-Gang Wang Zhejiang Province Key Laboratory of Quantum Technology and Device Department of PhysicsZhejiang UniversityHangzhou 310027China Quantum Optics and Quantum Information Research Group Department of PhysicsUniversity of MalakandChakdara Dir(L)Khyber PakhtunkhwaPakistan Department of Mathematics Zhejiang Normal UniversityJinhua 321004China

Herein,we propose a scheme for the realization of two-dimensional atomic localization in aλ-type three-level atomic medium such that the atom interacts with the two orthogonal standing-wave fields and a probe *** of the spatially dependent atom-field interaction,the information about the position of the atom can be obtained by monitoring the probe transmission spectra of the weak probe field for the first time.A single and double sharp localized peaks are observed in the one-wavelength *** have theoretically archived high-resolution and high-precision atomic localization within a region smaller thanλ/25×λ/*** results may have potential applications in the field of nano-lithography and advance laser cooling technology.

关键词： 2D atomic localization probe transmission spectra standing-wave fields three-level atomic medium

A review on edge analytics:Issues,challenges,opportunities,promises,future directions,and applications

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Digital Communications and Networks 2024年第3期10卷 783-804页

作者： Sabuzima Nayak Ripon Patgiri Lilapati Waikhom arif Ahmed National Institute of Technology Silchar India Ericsson Sweden

Edge technology aims to bring cloud resources(specifically,the computation,storage,and network)to the closed proximity of the edge devices,i.e.,smart devices where the data are produced and *** computing and application in edge devices lead to emerging of two new concepts in edge technology:edge computing and edge *** analytics uses some techniques or algorithms to analyse the data generated by the edge *** the emerging of edge analytics,the edge devices have become a complete ***,edge analytics is unable to provide full support to the analytic *** edge devices cannot execute advanced and sophisticated analytic algorithms following various constraints such as limited power supply,small memory size,limited resources,*** article aims to provide a detailed discussion on edge *** key contributions of the paper are as follows-a clear explanation to distinguish between the three concepts of edge technology:edge devices,edge computing,and edge analytics,along with their *** addition,the article discusses the implementation of edge analytics to solve many problems and applications in various areas such as retail,agriculture,industry,and ***,the research papers of the state-of-the-art edge analytics are rigorously reviewed in this article to explore the existing issues,emerging challenges,research opportunities and their directions,and applications.

关键词： Edge analytics Edge computing Edge devices Big data Sensor Artificial intelligence Machine learning Smart technology Healthcare

A Hybrid SIR-Fuzzy Model for Epidemic Dynamics:A Numerical Study

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Computer Modeling in Engineering & Sciences 2024年第6期139卷 3417-3434页

作者： Muhammad Shoaib arif Kamaleldin Abodayeh Yasir Nawaz Department of Mathematics and Sciences College of Humanities and SciencesPrince Sultan UniversityRiyadh11586Saudi Arabia Department of Mathematics Air UniversityIslamabad44000Pakistan

This study focuses on the urgent requirement for improved accuracy in diseasemodeling by introducing a newcomputational framework called the Hybrid SIR-Fuzzy *** integrating the traditional Susceptible-Infectious-Recovered(SIR)modelwith fuzzy logic,ourmethod effectively addresses the complex nature of epidemic dynamics by accurately accounting for uncertainties and imprecisions in both data and model *** main aim of this research is to provide a model for disease transmission using fuzzy theory,which can successfully address uncertainty in mathematical *** main emphasis is on the imprecise transmission rate parameter,utilizing a three-part description of its membership *** enhances the representation of disease processes with greater complexity and tackles the difficulties related to quantifying uncertainty in mathematical *** investigate equilibrium points for three separate scenarios and perform a comprehensive sensitivity analysis,providing insight into the complex correlation betweenmodel parameters and epidemic *** order to facilitate a quantitative analysis of the fuzzy model,we propose the implementation of a resilient numerical *** convergence study of the scheme demonstrates its trustworthiness,providing a conditionally positive solution,which represents a significant improvement compared to current forward Euler *** numerical findings demonstrate themodel’s effectiveness in accurately representing the dynamics of disease ***,when the mortality coefficient rises,both the susceptible and infected populations decrease,highlighting the model’s sensitivity to important epidemiological ***,there is a direct relationship between higher Holling type rate values and a decrease in the number of individuals who are infected,as well as an increase in the number of susceptible *** correlation offers a significant understanding of how many elements affect the con

关键词： Fuzzy-based model sensitivity equilibriumpoints proposed numerical scheme convergence and stability analysis

Additive manufacturing of sustainable biomaterials for biomedical applications

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Asian Journal of Pharmaceutical Sciences 2023年第3期18卷 1-36页

作者： Zia ullah arif Muhammad Yasir Khalid Reza Noroozi Mokarram Hossain Hao Tian Harvey Shi Ali Tariq Seeram Ramakrishna Rehan Umer Department of Mechanical Engineering University of Management&Technology LahoreSialkot Campus 51041Pakistan Department of Aerospace Engineering Khalifa University of Science and TechnologyAbu Dhabi 127788United Arab Emirates School of Mechanical Engineering Faculty of EngineeringUniversity of TehranTehranIran Zienkiewicz Centre for Computational Engineering(ZCCE) Faculty of Science and EngineeringSwansea UniversitySwansea SA18ENUK Department of Mechanical&Materials Engineering Western UniversityOntario N6A 3K7Canada Department of Mechanical Engineering Center for Nanofibers and NanotechnologyNational University of Singapore119260Singapore

Biopolymers are promising environmentally benign materials applicable in multifarious *** are especially favorable in implantable biomedical devices thanks to their excellent unique properties,including bioactivity,renewability,bioresorbability,biocompatibility,biodegradability and *** manufacturing(AM)is a flexible and intricate manufacturing technology,which is widely used to fabricate biopolymer-based customized products and structures for advanced healthcare ***-dimensional(3D)printing of these sustainable materials is applied in functional clinical settings including wound dressing,drug delivery systems,medical implants and tissue *** present review highlights recent advancements in different types of biopolymers,such as proteins and polysaccharides,which are employed to develop different biomedical products by using extrusion,vat polymerization,laser and inkjet 3D printing techniques in addition to normal bioprinting and four-dimensional(4D)bioprinting *** also incorporates the influence of nanoparticles on the biological and mechanical performances of 3D-printed tissue scaffolds,and addresses current challenges as well as future developments of environmentally friendly polymeric materials manufactured through the ***,there is a need for more focused research on the adequate blending of these biodegradable biopolymers for achieving useful results in targeted biomedical *** envision that biopolymer-based 3D-printed composites have the potential to revolutionize the biomedical sector in the near future.

关键词： 3D printing Biopolymers Biomedical Tissue engineering Sustainable biomaterials Additive manufacturing

应用级联运动方程方法研究并联双量子点的量子纠缠（英文）

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Chinese Journal of Chemical Physics 2018年第4期31卷 510-516,615页

作者：弓弘 arif ullah 叶绿洲郑晓严以京中国科学技术大学合肥微尺度物质科学国家研究中心量子信息与量子物理协同创新中心合肥230026 中国科学技术大学合肥微尺度物质科学国家研究中心能源村料化学协同创新中心合肥230026

量子点体系是一类具有代表性的量子杂质体系．体系与环境之间的耗散过程和电子间的强相互作用对量子态的相干、纠缠有着极其重要的影响．多体效应和电子转移之间的竞争对局域自旋态之间的量子纠缠特性具有重要影响．本文应用级联运动方... 详细信息

量子点体系是一类具有代表性的量子杂质体系．体系与环境之间的耗散过程和电子间的强相互作用对量子态的相干、纠缠有着极其重要的影响．多体效应和电子转移之间的竞争对局域自旋态之间的量子纠缠特性具有重要影响．本文应用级联运动方程方法对强关联双量子点系统的纠缠进行了定量研究．同时探究了总系统与子系统的信息熵之间的关系．

关键词：双量子点量子纠缠 R6nyi熵 von Neumann熵协力纠缠度级联运动方程方法

Enhancing the dynamic load balancing technique for cloud computing using HBATAABC algorithm

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International Journal of Modeling, Simulation, and Scientific Computing 2020年第5期11卷 66-85页

作者： arif ullah Nazri Mohd Nawi Faculty of Computer Science and Information Technology Universiti Tun Hussein Onn Malaysia 86400 Johor Malaysia

Cloud computing brings incipient transmutations in different fields of life and consists of different characteristics and virtualization is one of *** machine(VM)is one of the main elements of *** is a process in which physical server changes into the virtual machine and works as a physical *** a user sends data or request for data in cloud data center,a situation can occur that may cause the virtual machines to underload data or overload *** aforementioned situation can lead to failure of the system or delay the user ***,appropriate load balancing techniques are required to surmount the above two mentioned *** balancing is a technique utilized in cloud computing for management of the resource by a condition such that a maximum throughput is achieved with slightest reaction time and additionally dividing the traffic between different servers or VM so that it can get data without any *** the amelioration of load balancing technique in this study,a novel technique is used which is coalescence of BAT and ABC algorithms both of which are nature-inspired *** the ABC algorithm local search section changes with BAT algorithm local search section,a second modification takes place in the fitness function of BAT *** proposed technique is known as HBATAABC *** novel technique implemented by utilizing transfer strategy policy in VM improves the performance of data allocation system of VM in the cloud data *** check the performance of the proposed algorithm,three main parameters are used which are network average time,network stability and *** performance of the proposed novel technique is verified and tested with the help of cloudsim *** result shows that the suggested modified algorithm increases performance by 1.30%of network average time,network stability and throughput as compared with BAT algorithm,ABC algorithm and RRA ***,the propos

关键词： Cloud computing VM virtualization hybridization HBATAABC natureinspired

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跨模态图像检索系统

跨模态图像检索系统

作者： arif Asad ullah 华北电力大学(北京)

学位级别：硕士

社交媒体、智能终端和互联网等技术的快速发展,促使了大量多媒体数据的产生和传播。如何从这些数据中检索到用户所需或感兴趣的信息是一个很有价值的问题。跨模态检索可为不同模态的数据并实现相互检索,既能以图搜文,也方便以文搜图,成... 详细信息

社交媒体、智能终端和互联网等技术的快速发展,促使了大量多媒体数据的产生和传播。如何从这些数据中检索到用户所需或感兴趣的信息是一个很有价值的问题。跨模态检索可为不同模态的数据并实现相互检索,既能以图搜文,也方便以文搜图,成为多媒体检索领域的研究热点。深度学习技术近年来在计算机视觉的很多问题上表现出了强大能力。为此,论文针对其中的跨模态图像检索问题尝试通过深度学习的方法进行研究。跨模态检索要解决不同模态数据的跨模态相似性度量问题,论文设计了一种基于深度学习和典型相关分析的跨模态图像检索方法。在文本特征提取问题上,首先对文本进行了分词、连接词去除和词典规范化等预处理,之后通过预训练的模型获取GloVe词向量,从而实现词嵌入。在图像特征提取问题,选用了经典的卷积神经网络Alex-net。之后,针对图像和文本两种异质数据的特征融合,论文采用了典型相关分析学习两类向量在隐空间的相似性度量。论文在图像句子标准数据集Flicker-8k上进行了实验验证,实验结果表明论文所设计的跨模型检索方法是有效的。

关键词：跨模态深度学习词嵌入典范相关分析

Construction of a Computational Scheme for the Fuzzy HIV/AIDS Epidemic Model with a Nonlinear Saturated Incidence Rate

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Computer Modeling in Engineering & Sciences 2024年第2期138卷 1405-1425页

This work aimed to construct an epidemic model with fuzzy *** the classical epidemic model doesnot elaborate on the successful interaction of susceptible and infective people,the constructed fuzzy epidemicmodel discusses the more detailed versions of the interactions between infective and susceptible ***-generation matrix approach is employed to find the reproduction number of a deterministic *** analysis and local stability analysis of the systemare also *** solving the fuzzy epidemic model,a numerical scheme is constructed which consists of three time *** numerical scheme has an advantage overthe existing forward Euler scheme for determining the conditions of getting the positive *** establishedscheme also has an advantage over existing non-standard finite difference methods in terms of order of *** stability of the scheme for the considered fuzzy model is also *** the plotted results,it can beobserved that susceptible people decay by rising interaction parameters.

关键词： Epidemic model fuzzy rate parameters next generation matrix local stability proposed numerical scheme