Modern Physics Letters B最新文献_第9页

A homotopy-based computational scheme for two-dimensional fractional cable equation 基于同调的二维分数电缆方程计算方案

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-23 DOI: 10.1142/s0217984924502920

C. V. Darshan Kumar, D. G. Prakasha, P. Veeresha, Mamta Kapoor

{"title":"A homotopy-based computational scheme for two-dimensional fractional cable equation","authors":"C. V. Darshan Kumar, D. G. Prakasha, P. Veeresha, Mamta Kapoor","doi":"10.1142/s0217984924502920","DOIUrl":"https://doi.org/10.1142/s0217984924502920","url":null,"abstract":"In this paper, we examine the time-dependent two-dimensional cable equation of fractional order in terms of the Caputo fractional derivative. This cable equation plays a vital role in diverse areas of electrophysiology and modeling neuronal dynamics. This paper conveys a precise semi-analytical method called the q-homotopy analysis transform method to solve the fractional cable equation. The proposed method is based on the conjunction of the q-homotopy analysis method and Laplace transform. We explained the uniqueness of the solution produced by the suggested method with the help of Banach’s fixed-point theory. The results obtained through the considered method are in the form of a series solution, and they converge rapidly. The obtained outcomes were in good agreement with the exact solution and are discussed through the 3D plots and graphs that express the physical representation of the considered equation. It shows that the proposed technique used here is reliable, well-organized and effective in analyzing the considered non-homogeneous fractional differential equations arising in various branches of science and engineering.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"102 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Heat transfer analysis of Cu–H2O/Al2O3–H2O nanofluid flow in wavy/microchannels: A review 波浪形/微通道中 Cu-H2O/Al2O3-H2O 纳米流体流动的传热分析：综述

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-23 DOI: 10.1142/s0217984924300011

Tarun Sharma, Pooja Sharma

{"title":"Heat transfer analysis of Cu–H2O/Al2O3–H2O nanofluid flow in wavy/microchannels: A review","authors":"Tarun Sharma, Pooja Sharma","doi":"10.1142/s0217984924300011","DOIUrl":"https://doi.org/10.1142/s0217984924300011","url":null,"abstract":"The miniaturization of electronic devices without compromising their heat dissipation capacities is the main concern due to the rapid evolution in power industries and engineering fields. The conventional methods of cooling or heating the devices are changed and old tactics of using conventional fluids for heat dissipation are replaced with nanofluids of strong thermal efficiency. In the present context, the experimental as well as theoretical studies of nanofluids (Cu–H2O/Al2O3–H2O) flow inside the wavy and microchannels are elucidated and discussed for different physical conditions. It is found that the use of Cu–H2O/Al2O3–H2O nanofluid improves the thermal efficiency of heat exchangers. The complex shapes and sizes of heat exchangers such as multilayer heat exchangers, heat exchangers with twisted and square shapes and multijet heat exchangers are considered effective coolants as compared with straight microchannel heat exchangers. The use of Cu–H2O/Al2O3–H2O nanofluids improves the overall heat transfer efficacy of electronic devices, and it is considered a promising coolant for various applications including aerospace (spacecraft and satellites), automobile (cooling the engines and power management in electric vehicles), renewable energy (solar plants), microelectronic devices (heat dissipation through the microprocessor and cooling the other components of devices) and modern heat exchangers of engineering domains.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"18 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Elastic, thermophysical and ultrasonic investigation of tin monochalcogenides 单质锡的弹性、热物理和超声波研究

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s0217984924502804

Anurag Singh, Sudhanshu Tripathi, Devraj Singh

{"title":"Elastic, thermophysical and ultrasonic investigation of tin monochalcogenides","authors":"Anurag Singh, Sudhanshu Tripathi, Devraj Singh","doi":"10.1142/s0217984924502804","DOIUrl":"https://doi.org/10.1142/s0217984924502804","url":null,"abstract":"This work explores the investigation of tin monochalcogenides i.e. SnX (X: S, Se, Te) at room temperature (300<math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mspace width=\".17em\"></mspace></math>K). The mechanical, thermophysical and ultrasonic properties of SnX (X: S, Se, Te) have been evaluated using the computed values of second- and third-order elastic constants (SOECs and TOECs). The SOECs and TOECs have been obtained using Born–Mayer potential model at 0<math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mspace width=\".17em\"></mspace></math>K and 300<math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mspace width=\".17em\"></mspace></math>K. The brittleness behavior of tin monochalcogenides is detected by Pugh’s ratio. It is observed that phonon–phonon interaction mechanism is dominant in tin monochalcogenides leading to high ultrasonic attenuation. The obtained temperature dependence behavior of tin monochalcogenides is validated via comparison with available works of literature data in previous works done experimentally as well as theoretically by others.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"2015 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of truncated M-fractional derivative on the new types of exact solitons to the (4+1)-dimensional DSKP model 截断 M 分数导数对 (4+1)-dimensional DSKP 模型新型精确孤子的影响

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s0217984924503135

Moin-ud-Din Junjua, Almetwally M. Mostafa, Nouf F. AlQahtani, Ahmet Bekir

引用次数: 0

Four-party quantum secure direct communication based on hyperentangled bell states 基于超纠缠钟态的四方量子安全直接通信

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s0217984924503111

Ran Guo, Ri-Gui Zhou, Xiao-Xue Zhang

{"title":"Four-party quantum secure direct communication based on hyperentangled bell states","authors":"Ran Guo, Ri-Gui Zhou, Xiao-Xue Zhang","doi":"10.1142/s0217984924503111","DOIUrl":"https://doi.org/10.1142/s0217984924503111","url":null,"abstract":"Quantum Secure Direct Communication (QSDC) is a promising approach for secure information exchange. This paper proposes an efficient and secure four-party QSDC scheme utilizing hyperentangled Bell states in the polarization degree of freedom, the first longitudinal momentum degree of freedom and the second longitudinal momentum degree of freedom. The four participants can perform different unitary operations to independently encode their secret messages onto photons in three degrees of freedom, subsequently transmitting them directly through the quantum channel. In this proposed protocol, each degree of freedom of the photon can effectively carry two bits of information. Each round of transmission by a photon enables the four legitimate participants to obtain six classical bits of information. Notably, when compared to other photons based single-degree-of-freedom QSDC network protocols, the capacity of proposed QSDC protocol is tripled. Therefore, it significantly enhances the information transmission capability. Furthermore, comprehensive security analysis shows that our QSDC network protocol can withstand various attacks from external eavesdroppers.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"102 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Parallel differential evolution paradigm for multilayer electromechanical device optimization 多层机电设备优化的并行差分进化范式

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s0217984924503123

Aneela Zameer, Sidra Naz, Muhammad Asif Zahoor Raja

{"title":"Parallel differential evolution paradigm for multilayer electromechanical device optimization","authors":"Aneela Zameer, Sidra Naz, Muhammad Asif Zahoor Raja","doi":"10.1142/s0217984924503123","DOIUrl":"https://doi.org/10.1142/s0217984924503123","url":null,"abstract":"Design optimization of multilayer piezoelectric transducers is intended for efficient and practical usage of wideband transducers for fault diagnosis, biomedical, and underwater applications through adjusting layer thicknesses and volume fraction of piezoelectric material in each layer. In this context, we propose a parallel differential evolution (PDE) algorithm to mitigate the complexities of multivariate optimization as well as the computation time to achieve an optimized wideband transducer for the particular application. For lead magnesium niobate-lead titanate (PMN PT)- and PZT5h-based piezoelectric materials, the fitness function is formulated based on uniformity of mechanical pressure at the first three harmonics to achieve wide bandwidth in the required functional frequency range. It is carried out using a one-dimensional model (ODM), while input layer thicknesses and volume fractions of active material are evaluated using PDE. The simulation is performed on a parallel computing platform utilizing three different host machines to reduce computational time. Results of the proposed methodology for PDE are statistically represented in the form of minimum, maximum, mean, and standard deviation of fitness value, while graphically represented in terms of speedup and time. It can be observed that the execution time for parallel DE decreases with the increasing number of cores.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"46 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Self-propelled collective motion with multiplicative scalar noise 带有乘法标量噪声的自推进集体运动

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s0217984924503184

Fatemeh Haghsheno, Mohammad Mehrafarin

引用次数: 0

Convective heat mechanism in Williamson nanoliquid over an escalating surface through an interface with viscous heating 威廉姆森纳米液体在通过粘性加热界面的上升表面上的对流热机制

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s021798492450338x

Kotha Gangadhar, G. Naga Chandrika, Abderrahim Wakif

{"title":"Convective heat mechanism in Williamson nanoliquid over an escalating surface through an interface with viscous heating","authors":"Kotha Gangadhar, G. Naga Chandrika, Abderrahim Wakif","doi":"10.1142/s021798492450338x","DOIUrl":"https://doi.org/10.1142/s021798492450338x","url":null,"abstract":"This analysis explains the magneto-hydrodynamic flow on Williamson nanofluids previous stretching surface surrounded by the permeable media. The apt magnetic field was suggested for the angle of the axial direction of the flow. Anyhow, this flow phenomenon was characterized into the added heat source/sink and conjunction of radiating heat. The impacts of convective heating and viscous heating by expanding surface were again the significant feature of the analysis. This originality arises by the combination of the cross-diffusion effects of reverse behavior on the thermophoresis and Brownian motion. This form sketched into the aforesaid phenomenon was modified into the nonlinear ordinary form by the appropriate assumptions on comparison transformations. Therefore, the sets of equations were controlled for the numerical access using Lobatto-IIIa collocation method applicable to this Matlab bvp4c shooting process. This parametric performance of many components about their statistical values was given numerical imitations graphically by the rate coefficients in tabular forms. The validation and the compliance of the current result were acquired by the past study on the specific case. Further, the significant results of this analysis were: This non-Newtonian Williamson parameter combination of that magnetizing property diminishes the fluid velocities. In addition, the important influence of both viscosity parameter and radiation parameter of heating process was noted.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"21 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dynamical behavior of soliton solutions to the fractional phi-four model via two analytical techniques 通过两种分析技术研究分数披四模型孤子解的动力学行为

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s021798492450310x

Jamshad Ahmad, Tayyaba Younas

{"title":"Dynamical behavior of soliton solutions to the fractional phi-four model via two analytical techniques","authors":"Jamshad Ahmad, Tayyaba Younas","doi":"10.1142/s021798492450310x","DOIUrl":"https://doi.org/10.1142/s021798492450310x","url":null,"abstract":"This study explores solutions for a mathematical equation called the time-space fractional phi-four equation using two methods: the Sardar-subequation method and the modified extended auxiliary equation method. The phi-four equation is connected to the Klein–Gordon model and is important in different scientific areas like biology and nuclear physics. Understanding its solutions is crucial. By using a specific wave transformation, the equation is changed into a simpler form for analysis. The methods proposed give a variety of solutions, such as Kink, bright singular, dark, combo dark bright, periodic, and singular periodic solutions. Each solution we find using these methods has specific rules that determine when it’s correct. We carefully choose specific values for the parameters to help us understand more about the solutions. This helps us see the detailed features of the solutions and improves our understanding of how the model behaves in the real world. These methods create a strong framework for studying solitons, which are specific types of mathematical solutions. The study compares the outcomes of these methods with earlier ones to get a complete understanding. Graphical illustrations are used to visually represent some of these solutions, helping us grasp their characteristics. Visual representations in two- and three-dimensional figures add originality to the findings. Importantly, these methods can be applied to solve similar problems with fractional derivatives in various scientific contexts. In summary, this research not only deepens our understanding of the phi-four equation but also introduces powerful methods with broad applications in fractional differential equations.","PeriodicalId":18570,"journal":{"name":"Modern Physics Letters B","volume":"71 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140200926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Interaction solutions of (2+1)-dimensional Korteweg–de Vries–Sawada–Kotera–Ramani equation via bilinear method 通过双线性方法求解 (2+1)-dimensional Korteweg-de Vries-Sawada-Kotera-Ramani 方程的交互解

IF 1.9 4区物理与天体物理

Modern Physics Letters B Pub Date : 2024-03-22 DOI: 10.1142/s0217984924503202

Shuting Bai, Xiaojun Yin, Na Cao, Liyang Xu

引用次数: 0