Emmanuel Adeyefa | Theoretical Physics | Member

Assoc Prof Dr. Emmanuel Adeyefa | Theoretical Physics | Member

PHD at University of Ilorin, Nigeria

Dr. Emmanuel Oluseye Adeyefa is a distinguished mathematician and academic leader from Nigeria. With a Ph.D. in Mathematics from the University of Ilorin, he currently serves as a Reader at the Department of Mathematics, Federal University Oye-Ekiti. His administrative roles include acting as Head of Department and Postgraduate Coordinator. With a passion for teaching, he has instructed various courses and supervised numerous undergraduate and postgraduate projects. A committed scholar, he actively participates in conferences and workshops, contributing to advancements in mathematics and cryptography. Beyond academia, he engages in community service and enjoys activities such as reading, football, and music.

Professional Profiles:


Ph.D. in Mathematics, University of Ilorin, 2014 M.Sc. in Mathematics, University of Ilorin, 2007 B.Sc. in Mathematics, University of Ilorin, 2003 PGD in Education, Obafemi Awolowo University, 2014

Administrative Experience

Acting Head, Department of Mathematics Postgraduate Coordinator University Examination Committee Member Level Adviser/Coordinator Departmental Seminar Coordinator Staff Secretary Various Committee Memberships and Chairmanships. Federal University Wukari, Taraba State Oduduwa University, Osun State Southern Institute of Innovative Technology (SNIIT Polytechnic), Osun State

Teaching Experience

Various courses in Mathematics including Linear Algebra, Mathematical Packages, Vector and Tensor Analysis, Real Analysis, Mathematical Methods, Analytical Dynamics, Fluid Dynamics, and Numerical Analysis.


Recipient of various awards including Departmental Best Graduating Student and Best Lecturer of the year.

Research Focus:

Dr. Emmanuel Oluseye Adeyefa’s research focus primarily revolves around the development and application of advanced numerical methods for solving various classes of ordinary and partial differential equations. His work spans topics such as direct integration methods, orthogonal basis function formulations, hybrid block methods, and collocation approaches. Additionally, he explores the use of polynomial and orthogonal basis functions, particularly Chebyshev polynomials, in continuous formulations of numerical solvers. Adeyefa’s contributions bridge mathematical theory with practical applications, showcasing his expertise in computational mathematics and algorithm development, with potential applications in cryptography and queueing systems.


  1. Error estimation of the integral tau method for fourth order overdetermined ODES, Publication: 2023.
  2. Integral tau Method for Certain Over-determined Fourth-Order Ordinary Differential Equations., Publication: 2023.
  3. A Generalized Series Solution of đť’Źđť’•đť’‰ Order Ordinary Differential Equations, Publication: 2023.
  4. Improved 2-Point Hybrid Block Model for Direct Integration of Third and Fourth-Order Initial Value Problems, Publication: 2023.
  5. Algebraic characterization of Ifa main divination codes, Publication: 2023.
  6. Ninth-order Multistep Collocation Formulas for Solving Models of PDEs Arising in Fluid Dynamics: Design and Implementation Strategies, Publication: 2023.
  7. Hybrid block methods with constructed orthogonal basis for solution of third-order ordinary differential equations, Publication: 2023.
  8. A continuous five-step implicit block unification method for numerical solution of second-order elliptic partial differential equations, Publication: 2023.
  9. Implicit hybrid block methods for solving second, third and fourth orders ordinary differential equations directly, Publication: 2022.
  10. New developed numerical formula for solution of first and higher order ordinary differential equations, Publication: 2022.

Seyyed Abdollahi | High energy physics | Member

Mr. Seyyed Abdollahi | High energy physics | Member

Scholarship at Tabriz University, Iran

I was B.Sc. Student in Mechanical Engineering at Tabriz University and I was among the top 5%, I also received a full scholarship from Tabriz University for the master’s degree, and now I am a master’s student in energy conversion trend at Tabriz University. I was also a Teacher assistant in the Strength of Materials and Design of Machine Elements courses, and I have been working with Dr. Seyyed Faramarz Ranjbar and Dr. Farid Vakili Tahami for 1 year. I am also interested in researching the topics of Power Plants, Thermodynamics, Fluid mechanics, Air conditioning, Energy and Solar energy. Which led to the writing three books I am also interested in working and researching on these topics in the future: 1-Renewable Energy 2-Exergy Analysis 3-Piezoelectric Micropumps 4-Photovoltaics(PV) 5-Nanofluids 6-Energy Analysis 7-Fuel Cells 8-Analysis of Wind Turbin

Professional Profiles:


Master of Mechanical Engineering Branch: Energy Conversion Institute/University: Tabriz University Tabriz , East Azerbaijan, Iran 2022 – Present Bachelor of Mechanical Engineering Institute/University: Tabriz University Tabriz , East Azerbaijan, Iran 2018 – 2022 GPA : 17.90(out of 20)

Work Experience

Internship Tabeiz Thermal Power Station Tabriz , East Azerbaijan, Iran July 2021 – August 2021 Tasks and Achievements Teacher Assistant in the Design of Machine Elements course Tabriz University Tabriz , East Azerbaijan, Iran September 2021 – Present Tasks and Achievements Teacher Assistant in the Power Plants course Tabriz University Tabriz , East Azerbaijan, Iran September 2022 – January 2023 Email: s.a_abdollahi@yahoo.com Mobile: (+98)9380596289 Website: www.linkedin.com/in/seyyed-amirrezaabdollahi-powerplants-renewableenergy Address: Tabriz , East Azerbaijan, Iran DoB: 1998-09-24 Marital Status: Single Military Service: Educational Exemption Seyyed Amirreza Abdollahi Mechanical Engineering Profile Summary Education Work Experience I went to the Tabriz Thermal Power Plant for a training course. There i observed the things that i studied theoretically in the Thermodynamics course. I visited the important parts ofthe power plant such as ControlRoom, Steam Turbines, Boilers, Cooling Towers and the Chemical Department . Results of my research led me to write a book called “Tabriz Thermal Power Plant” As a teacher’s assistant, I solved additional exercises forthe students and supervised their

Research Focus:

The research focus of SA Abdollahi spans across various fields, primarily centered around computational fluid dynamics (CFD), heat transfer, nanofluids, porous media techniques, and numerical analysis. Their work encompasses simulations of heat transfer and fluid flow in microchannel heat sinks, investigation of blood hemodynamics in aneurysms, optimization of chemical processes, and modeling the separation capabilities of membranes. Additionally, they explore topics such as magnetohydrodynamics, biomaterial phase equilibria, and the application of machine learning techniques in estimating biomass properties. Abdollahi’s research demonstrates a broad interest in advancing understanding and optimization across diverse engineering and scientific domains.


  1. Computer simulation of Cu: AlOOH/water in a microchannel heat sink using a porous media technique and solved by numerical analysis AGM and FEM, cited by: 37, Publication: 2023.
  2. Investigating heat transfer and fluid flow betwixt parallel surfaces under the influence of hybrid nanofluid suction and injection with numerical analytical technique, cited by: 29, Publication: 2023.
  3. Computational study of blood hemodynamic in ICA aneurysm with coiling embolism, cited by: 18, Publication: 2023.
  4. Numerical study of heat transfer of wavy channel supercritical CO2 PCHE with various channel geometries, cited by: 11, Publication: 2023.
  5. Influence of extruded injector nozzle on fuel mixing and mass diffusion of multi fuel jets in the supersonic cross flow: computational study, cited by: 9, Publication: 2023.
  6. Removal of ciprofloxacin and cephalexin antibiotics in water environment by magnetic graphene oxide nanocomposites; optimization using response surface methodology, cited by: 7, Publication: 2023.
  7. Optimizing the amount of concentration and temperature of substances undergoing chemical reaction using response surface methodology, cited by: 7, Publication: 2023
  8. Phase Equilibria Simulation of Biomaterial-Hydrogen Binary Systems Using a Simple Empirical Correlation, cited by: 6, Publication: 2023
  9. Modeling the CO2 separation capability of poly(4-methyl-1-pentane) membrane modified with different nanoparticles by artificial neural networks,  cited by: 5, Publication: 2023
  10. Applying feature selection and machine learning techniques to estimate the biomass higher heating value, cited by: 3, Publication: 2023

Al-Hattab Mohamed | Physics | Member

Dr. Al-Hattab Mohamed | Physics | Member

PHD at Sultan Moulay Slimane University, Morocco

Mohamed Al-Hattab is a dedicated researcher specializing in Physics of Materials and Energy. He completed his Ph.D. at Sultan Moulay Slimane University, focusing on the properties of the semiconductor GaSe. With expertise in scanning electron microscopy, X-ray crystallography, and spectroscopy, Mohamed has contributed to various publications in prestigious journals like Solar Energy and Nanoparticle Research. He actively engages in educational activities, supervising students and presenting at international conferences. As a reviewer for prominent journals, Mohamed continues to advance research in his field, affiliated with the Research Laboratory in Physics and Sciences for Engineers at Sultan Moulay Slimane University.

Professional Profiles:


Ph.D. in Physics of Materials and Energies Sultan Moulay Slimane University, Beni Mellal, Morocco (2018 – 2022) Advisor: Khalid Rahmani Dissertation: Study of the structural, electronic, optical, and elastic properties of the lamellar semiconductor (GaSe) Master in Advanced Materials Sultan Moulay Slimane University, Beni Mellal, Morocco (2015 – 2018) Bachelor’s degree in Physical Sciences, Electronics option Cadi Ayyad University, Marrakech, Morocco (2011 – 2015) Advisor: Amal Rajirae Dissertation: Study of the properties of the lamellar material GaSe used as an absorber in photovoltaic cells


Scanning Electron Microscope X-ray Crystallography UV-Visible Spectroscopy and Raman Spectroscopy Simulation (Biovia Material Studio 2017, SCAPS-1D, MATLAB, Silvako

Research Focus:

Mohamed Al-Hattab is a versatile researcher with a primary focus on materials science and renewable energy technologies. His contributions span various aspects of solar cell design and optimization, including numerical modeling, density functional theory (DFT) investigations, and experimental studies. With expertise in tandem solar cells, perovskite materials, and semiconductor physics, Mohamed’s research aligns with advancing eco-friendly and efficient photovoltaic devices. He collaborates extensively with multidisciplinary teams, emphasizing the integration of theoretical insights with practical applications. Through his work, Mohamed strives to enhance the performance and sustainability of solar energy technologies for a greener future. Physics


  1. Experimental and numerical study of the CIGS/CdS heterojunction solar cell,  Publication date: 2023.
  2. Novel Simulation and Efficiency Enhancement of Eco-friendly Cu2FeSnS4/c-Silicon Tandem Solar Device, cited by: 4, Publication date: 2023.
  3. Ab Initio Investigation for Solar Technology on the Optical and Electronic Properties of Double Perovskites Cs2AgBiX6(X=Cl, Br, I), Publication date: 2023.
  4. Thermodynamic, optical, and morphological studies of the Cs2AgBiX6 double perovskites (X = Cl, Br, and I): Insights from DFT study, cited by: 16, Publication date: 2023.
  5. Ag2BeSnX4(S, Se,Te)-based kesterite solar cell modeling: A DFT investigation and Scaps-1 danalysis,Publication date: 2023.
  6. Numerical Simulation of CdS/GaSe Solar Cell Using SCAPs Simulation Software, Publication date: 2022.
  7. Density Functional Theory Study on the Electronic and Optical Properties of Graphene, Single-Walled Carbon Nanotube and C60, Publication date: 2022.
  8. Quantum confinement in GaN/AlInN asymmetric quantum wells for terahertz emission and field of optical fiber telecommunications, Publication date: 2024.
  9. Cu2BaSnS4/Cu2FeSnS4 combination for a good light absorption in thin-film solar cells—a numerical model, Publication date: 2024.
  10. Performance assessment of an eco-friendly tandem solar cell based on double perovskite Cs2AgBiBr6, Publication date: 2024.



Quantum Field Theory


Introduction to Quantum Field Theory:

Quantum Field Theory (QFT) is a foundational framework in theoretical physics that combines the principles of quantum mechanics and special relativity to describe the behavior of particles and fields at the smallest scales. It provides a comprehensive understanding of the interactions among elementary particles, the quantization of fields, and the dynamics of the quantum vacuum. Quantum Field Theory is at the core of the Standard Model of particle physics and is essential for exploring the fundamental forces and particles that make up the universe.

Quantization of Fields:

Explore the concept of field quantization, where fields like the electromagnetic field and the Higgs field are treated as quantum entities, leading to the creation and annihilation of particles.

Renormalization and Infinities:

Investigate the challenges posed by infinities in quantum field theory and the techniques of renormalization, which allow physicists to handle these divergences and make meaningful predictions.

Quantum Electrodynamics (QED):

Delve into quantum electrodynamics, the quantum field theory that describes the electromagnetic force and the behavior of electrons, positrons, and photons.

Quantum Chromodynamics (QCD):

Focus on quantum chromodynamics, the theory of the strong nuclear force that binds quarks and gluons within hadrons, and its implications for the behavior of quarks.

Beyond the Standard Model:

Examine extensions of quantum field theory that go beyond the Standard Model, such as supersymmetry, grand unified theories, and string theory, which aim to address questions about the unification of fundamental forces and the nature of dark matter.




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