Benha National University's Center for Research, Development and Innovation in Converging Sciences and Emerging Technologies (CoSET) organized an international scientific seminar on theoretical physics and applied mathematics in collaboration with the Institute of Electronics, Microelectronics and Nanotechnology at the University of Lille, France, as part of the University's strategy to advance scientific research and strengthen international academic collaboration.
The seminar was organized with the support of Prof. Tamer Samir, President of Benha National University, and Prof. Mahmoud Saqr, University Advisor for Scientific Research and Innovation and Supervisor of CoSET.
The seminar was delivered by Prof. Hosny El-Wahsh, Visiting Professor with CoSET's Applied Mathematics and Algorithms Group, and moderated by Prof. Abdelatif Akjouj, Professor at the Faculty of Science and Technology, University of Lille, France. It brought together faculty members, researchers, and students for a scientific forum dedicated to exchanging expertise and exploring the latest developments in theoretical physics and advanced electronic systems.
The seminar highlighted the latest research findings on Bound States in the Continuum (BICs), an advanced physical phenomenon that enables waves to remain confined within electronic structures without energy loss. It also explored recent advances in long-lived resonances and their tunability in mesoscopic electronic structures, reflecting their growing significance in modern physics and emerging technological applications.
Prof. Hosny El-Wahsh also presented a theoretical and numerical model of a mesoscopic electronic resonator consisting of a quantum ring coupled to waveguides and a finite stub. He demonstrated how the transmission properties of electronic waves can be precisely controlled through the geometric design of the structure, providing deeper insight into wave behavior at the nanoscale and opening new possibilities for the development of more efficient and highly precise electronic components.
Prof. El-Wahsh explained that these findings were obtained using the Green's Function Technique, together with the Conservation of States principle, enabling researchers to identify all bound states within the system, including Bound States in the Continuum. He noted that this represents an important advancement in understanding wave transport in mesoscopic electronic systems.
Scientific discussions during the seminar highlighted the promising applications of these findings in the development of highly sensitive sensors, wave-filtering systems, and microelectronic devices. Participants emphasized that the exceptional sensitivity of these resonances to subtle perturbations offers significant potential for advancing next-generation electronic and nanotechnology applications.
The seminar concluded with engaging discussions among participants from several countries, addressing both the theoretical foundations and practical implications of the research while exploring opportunities for future collaboration in this field. The discussions reflected Benha National University's commitment to fostering a research environment that encourages innovation, strengthens partnerships with leading international universities and research institutions, and advances knowledge production in line with global scientific developments, reinforcing the University's position as a center of excellence in scientific research and innovation.