Branko Gumhalter | Mathematical Physics | Excellence in Research

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Dr. Branko Gumhalter | Mathematical Physics | Excellence in Research

Emeritus at Institute of Physics, Croatia

Dr. Branko Gumhalter 🌍, an esteemed Emeritus of the Institute of Physics in Zagreb, is a distinguished theoretical physicist whose career spans over four decades of impactful research in surface science and atomic interactions. 📘 With a Ph.D. from Imperial College London and over 100 peer-reviewed publications 🧪, his scientific footprint extends across global institutions, including Max Planck Institutes, ICTP Trieste, and Rutgers University. ✈️ Renowned for organizing high-level conferences and fostering international collaboration, he has mentored generations of scientists 🎓 and contributed to key research partnerships with organizations like IAEA and NSF. 🧭 A recipient of the ICTP Senior Research Associate Award and Croatia’s State Award for Science 🏅, Dr. Gumhalter has served on prestigious editorial and advisory boards, enhancing the global physics dialogue. His legacy is one of scholarly excellence, leadership, and cross-cultural scientific advancement 🔬🤝, making him a towering figure in theoretical and surface physics.

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🎓 Education

Dr. Branko Gumhalter began his academic voyage in Zagreb, Croatia, where he completed both elementary and secondary education with distinction. 📚 In 1966, he enrolled at the Faculty of Science, University of Zagreb, earning his B.Sc. in Theoretical Physics by 1971. Fueled by curiosity and academic rigor, he pursued postgraduate studies at Imperial College London under Dr. D.M. Newns and completed his Ph.D. in 1976. 🎓 His doctoral thesis, “Calculations of the Dynamic Screening Effects in the Electronic Spectra of Adsorbates,” was examined by Prof. D.C. Langreth, a renowned figure from Rutgers University and NORDITA. His educational path combined foundational learning with advanced quantum research in a transcontinental setting, instilling a lifelong dedication to the complexities of atomic-level physics. 🌐 This rigorous academic training laid the groundwork for a remarkable research career that would soon span decades and continents. 📖

🧪 Professional Experience

From 1976 to 2014, Dr. Gumhalter held a permanent research position at the Institute of Physics in Zagreb, where he served as a linchpin of scientific inquiry in surface science. 🔬 His appointment as Emeritus following retirement is a testament to his enduring academic influence. Over nearly four decades, he led numerous national and international research projects, mentored diploma and doctoral students, and contributed prolifically to scientific literature. 📊 His professional journey was interwoven with global collaboration, including stints as visiting professor or scientist at institutions like the Max Planck Institutes (Germany), Rutgers University (USA), Universidad Autónoma de Madrid (Spain), and Hokkaido University (Japan). 🌎 He played pivotal roles in organizing international conferences and spearheaded Croatian-Japanese research workshops. His career reflects a blend of scientific leadership, mentorship, and global engagement, positioning him as a cornerstone of theoretical and applied physics. 🧭💼

🔍 Research Interest

Dr. Gumhalter’s research gravitated toward the rich field of surface science, with deep dives into interactions between atomic particles, radiation, and adsorbates. ⚛️ His work illuminated dynamic screening effects, quantum coherence, inelastic scattering, and electron-surface interactions. He contributed to understanding ultrafast processes and energy transfer at the nano and quantum scale. 🕳️ His approach integrated theoretical modeling and real-world application, bridging microscopic theory with macroscopic observations. Over 100 peer-reviewed articles and four major monographs reflect his prolific scientific inquiry. 📖 He also maintained a keen interest in interdisciplinary physics, collaborating with chemists and materials scientists to explore interface phenomena and quantum dynamics. His research laid foundational insights that continue to influence condensed matter physics and nanoscience, making his contributions not only relevant but forward-thinking. 🧠🌌 His dedication to exploring complex phenomena at atomic levels remains a guiding light for emerging physicists worldwide. 🌐

🏅 Awards and Honors

Dr. Gumhalter’s stellar career has been marked by distinguished accolades honoring both depth and breadth of contribution. 🌟 In 1996, he received the Senior Research Associate Award from the International Centre for Theoretical Physics (ICTP) in Trieste — a prestigious recognition for impactful scientific leadership. 🌍 In 2002, the Croatian Parliament awarded him the State Award for Science, one of the nation’s highest honors for academic achievement. 🇭🇷 These awards reflect not only his intellectual rigor but his sustained efforts in mentoring, publishing, and global collaboration. 🏆 Beyond formal recognition, his roles on editorial boards (including Surface Science) and executive committees of international scientific bodies underscore the trust and respect he commands in the global scientific community. 📜 His decades of service as a referee for premier journals such as Physical Review Letters affirm his authoritative voice in evaluating cutting-edge physics research. 🧾

Conclusion

Dr. Branko Gumhalter stands as a towering figure in theoretical physics, blending profound intellectual insight with global scientific leadership. 🌐 His career journey—from Zagreb to London, Berlin to Tokyo—has been marked by tireless exploration of atomic phenomena, mentoring future researchers, and building international scientific bridges. 🧬 His commitment to academic excellence, collaborative outreach, and knowledge dissemination reflects the ideals of scientific pursuit. 🕊️ Recognized both nationally and internationally, he exemplifies what it means to be a scholar of integrity, curiosity, and global citizenship. 📘 Even in emeritus status, his legacy continues to shape research frontiers in surface science, nanophysics, and interdisciplinary physics. 🧠 His enduring influence resonates through the projects he led, the students he mentored, and the scientific ideas he championed. For these reasons and more, Dr. Gumhalter is profoundly deserving of any recognition honoring Excellence in Research. 🏅🧪

Publications Top Notes

🔬 Title: Nonperturbative quantum theory of multiplasmonic electron emission from surfaces: Gauge-specific cumulant expansions vs. Volkov ansatz over plasmonic coherent states
Authors: Branko Gumhalter
Year: 2025
Source: Progress in Surface Science

🔬 Title: Complementary perturbative and nonperturbative pictures of plasmonically induced electron emission from flat metal surfaces
Authors: Branko Gumhalter, Dino Novko
Year: 2025
Citations: 4
Source: Open Access Review

📝 Editorial: Interplay of electron-photon and electron-plasmon interactions at surfaces: Photonics and plasmonics in juxtaposition
Authors: Branko Gumhalter, Hrvoje Petek
Year: 2023
Citations: 1
Source: Editorial Publication

🔬 Title: Electron emission from plasmonically induced Floquet bands at metal surfaces
Authors: Branko Gumhalter, Dino Novko, Hrvoje Petek
Year: 2022
Citations: 11
Source: Physical Review B

🔬 Title: Multidimensional multiphoton momentum microscopy of the anisotropic Ag(110) surface
Authors: Andi Li, Marcel Reutzel, Zehua Wang, Stefan Mathias, Hrvoje Petek
Year: 2022
Citations: 9
Source: Physical Review B

🔬 Title: Plasmonically assisted channels of photoemission from metals
Authors: Dino Novko, Vito Despoja, Marcel Reutzel, Hrvoje Petek, Branko Gumhalter
Year: 2021
Citations: 16
Source: Physical Review B (Open Access)

🔬 Title: Plasmonic Photoemission from Single-Crystalline Silver
Authors: Andi Li, Marcel Reutzel, Zehua Wang, Branko Gumhalter, Hrvoje Petek
Year: 2021
Citations: 26
Source: ACS Photonics

🔬 Title: Nonlinear Plasmonic Photoelectron Response of Ag(111)
Authors: Marcel Reutzel, Andi Li, Branko Gumhalter, Hrvoje Petek
Year: 2019
Citations: 46
Source: Physical Review Letters (Open Access)

🔬 Title: Importance of van der Waals interactions and cation-anion coupling in an organic quantum spin liquid
Authors: Predrag Lazić, Marko Pinterić, David Rivas Góngora, Martin Dressel, Silvia Tomić
Year: 2018
Citations: 10
Source: Physical Review B (Open Access)

🔬 Title: Electrodynamics in organic dimer insulators close to Mott critical point
Authors: Marko Pinterić, David Rivas Gongora, Željko Rapljenović, Martin Dressel, Silvia Tomić
Year: 2018
Citations: 17
Source: Crystals (Open Access)

Victor Kuetche Kamgang | Mathematical Physics | Best Researcher Award

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Prof. Victor Kuetche Kamgang | Mathematical Physics | Best Researcher Award

Full Professor at University of Yaounde, Cameroon

Prof. Victor KUETCHE KAMGANG is a distinguished physicist specializing in classical and quantum information processing, with a strong research focus on complex adaptive systems, soliton theory, nonlinear optics, condensed matter, quantum holography, and renewable energies. He currently serves as a Full Professor at Yaoundé 1 State University, Cameroon, and has previously held leadership roles, including Head of the Department of Physics at Dschang State University. His academic journey includes a Ph.D. in Physics from Yaoundé 1 State University, with extensive research on high-dimensional excitations in physical systems. Prof. Kuetche Kamgang has contributed significantly to applied mathematics and theoretical physics, publishing widely in esteemed journals such as Physica D, Chaos, and the European Physical Journal Plus. His interdisciplinary research has global relevance, advancing knowledge in both fundamental and applied sciences. Through his leadership and innovative contributions, he continues to shape the future of physics and engineering research.

Professional Profile 

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Education

Prof. Victor KUETCHE KAMGANG holds a Ph.D. in Physics from Yaoundé 1 State University, Cameroon, awarded in 2010. His doctoral research focused on high-dimensional excitations in physical evolution systems, under the supervision of Prof. Crepin Timoleon Kofane. Prior to that, he obtained an M.Sc. in Physics with a specialization in Mechanics in 2004, where he explored nonlinear geometric algebra in the context of smooth loop theory in physics. His undergraduate studies culminated in a B.Sc. in Physics in 2002 and a dual degree in Physics-Chemistry in 1999. Throughout his academic journey, Prof. Kuetche Kamgang has demonstrated exceptional analytical skills and a deep understanding of complex physical phenomena, paving the way for his groundbreaking research in classical and quantum information processing. His rigorous academic training has equipped him with expertise in soliton theory, nonlinear optics, and condensed matter physics, enabling him to make significant contributions to contemporary scientific challenges.

Professional Experience

Prof. Kuetche Kamgang has an extensive academic career spanning over two decades. He currently serves as a Full Professor at Yaoundé 1 State University, a position he has held since November 2024. He is affiliated with multiple institutions, including the National Advanced School of Engineering of Yaoundé and the Faculty of Science at both Yaoundé 1 and Dschang State Universities. Previously, he was Head of the Department of Physics at Dschang State University from 2021 to 2024, where he played a vital role in curriculum development and academic leadership. He also served as an Associate Professor at Yaoundé 1 State University from 2018 to 2024 and a Lecturer from 2012 to 2018. His international experience includes a tenure as a Junior Associate Research Scientist at The Abdus Salam International Centre for Theoretical Physics (ICTP) in Italy from 2012 to 2017, further strengthening his global research collaborations and scientific influence.

Research Interest

Prof. Kuetche Kamgang’s research spans a wide array of advanced topics in physics and applied mathematics. His primary focus lies in classical and quantum information processing, with special attention to complex adaptive systems in control engineering and behavioral sciences. His expertise covers soliton theory, fractals, integrability, condensed matter physics, nonlinear optics, barotropic relaxation, ferromagnetism, and quantum holography. His recent studies explore Kruskal simplifications in carbon nanotube dynamics, the impact of spin torque in ferromagnetic media, and the nonlinear behavior of short light pulses in birefringent optical fibers. He also delves into genetic and neuronal network modeling, contributing significantly to interdisciplinary research. His work, published in high-impact journals such as Physica D, Chaos, and the European Physical Journal Plus, has advanced understanding in multiple scientific domains. His commitment to exploring the mathematical foundations of physical phenomena continues to shape cutting-edge developments in theoretical and applied physics.

Awards and Honors

Prof. Kuetche Kamgang has earned recognition for his outstanding contributions to physics and applied mathematics. His expertise in soliton theory, nonlinear dynamics, and quantum information processing has positioned him as a leading researcher in his field. His international collaborations, particularly with ICTP in Italy, have further enhanced his global scientific impact. He has been an invited speaker at various prestigious awards and has played a crucial role in advancing the understanding of complex systems. His membership in high-profile academic and research institutions signifies his standing in the global scientific community. His groundbreaking contributions to condensed matter physics, nonlinear optics, and renewable energy solutions continue to earn accolades, fostering academic excellence and innovation. His commitment to mentoring young researchers and leading interdisciplinary studies cements his legacy as an influential figure in modern physics.

Conclusion

Prof. Victor KUETCHE KAMGANG stands out as a distinguished physicist whose work has significantly advanced the fields of quantum and classical information processing, nonlinear dynamics, and applied mathematics. His extensive academic background, leadership roles, and research contributions underscore his expertise and influence in global scientific discourse. Through his numerous high-impact publications and international collaborations, he continues to push the boundaries of theoretical and applied physics. His research has practical implications for emerging technologies, including quantum computing, renewable energy, and advanced materials. As a respected professor and mentor, he plays a vital role in shaping future generations of physicists and engineers. His dedication to scientific discovery and interdisciplinary collaboration ensures that his impact on the academic and research communities will remain profound and long-lasting.

Publications Top Noted

  • Title: SU(2)-Hidden Symmetry of Two-Level Media: Propagation of Higher-Order Ultimately Short-Wave Excitations with Nonzero Angular Momenta

    • Authors: R.K.K. Lemoula, Romuald K.K., V.K. Kuetche, Victor Kamgang
    • Year: 2025
    • Source: Physica D: Nonlinear Phenomena

  • Title: Effects of Spin Torque Within Ferromagnetic Infinite Medium: The Short-Wave Approximation and Painlevé Analysis

    • Authors: F.T. Nguepjouo, Francis T., V.K. Kuetche, Victor Kamgang, E. Tchomgo-Felenou, E.
    • Year: 2024
    • Citations: 1
    • Source: Chaos

  • Title: Kruskal Simplification in Carbon Nanotube System Arrays Dynamics

    • Authors: R.S. Noule, Raïssa S., V.K. Kuetche, Victor Kamgang
    • Year: 2024
    • Citations: 1
    • Source: European Physical Journal Plus

  • Title: Coexisting Attractors in Neuronal Circuit Based on Josephson Junction Under the Effects of Light and Temperature: Analysis and Microcontroller Implementation

    • Authors: B. Ramakrishnan, Balamurali, N.F.F. Foka, Noel Freddy Fotie, A. Akgul, Akif, V.K. Kuetche, Victor Kamgang, R.R. Karthikeyan, Rajagopal R.
    • Year: 2024
    • Citations: 2
    • Source: Iranian Journal of Science

  • Title: Nonlinear Dynamics of Short Light Pulse in Birefringent Optical Fiber

    • Authors: H.T. Tchokouansi, Hermann T., R.T. Tchidjo, Robert Tamwo, V.K. Kuetche, Victor Kamgang
    • Year: 2023
    • Source: Optik

  • Title: Cylindrical Gravitational Pulse Waveguide Excitations

    • Authors: J.J. Defo, Jean J., V.K. Kuetche, Victor Kamgang
    • Year: 2022
    • Source: Journal of Experimental and Theoretical Physics

  • Title: Dynamics of Damped Single Valued Magnetic Wave in Inhomogeneous Circularly Polarized Ferrites

    • Authors: H.T. Tchokouansi, Hermann T., E. Tchomgo-Felenou, E., V.K. Kuetche, Victor Kamgang, R.T. Tchidjo, Robert Tamwo
    • Year: 2022
    • Citations: 6
    • Source: Chinese Journal of Physics