Prof. Dr. Catherine Krafft | Best Researcher Award

Prof. Dr. Catherine Krafft | Best Researcher Award

Paris-Saclay University | France

Dr. Catherine Krafft is a distinguished plasma physicist and astrophysics researcher recognized for her extensive contributions to the understanding of wave–particle interactions, electromagnetic emissions, and turbulence phenomena in solar wind plasmas. With an h-index of 17, over 108 published documents, and more than 1,039 citations, she has established herself as a leading figure in space plasma research. She earned her advanced education in physics with specialization in plasma theory and astrophysical plasmas, followed by research experience at prominent French institutions including the Institut Universitaire de France. Krafft’s work spans beam-driven Langmuir turbulence, upper-hybrid waves, harmonic electromagnetic emissions, particle diffusion, and the role of density fluctuations in solar environments. She has authored influential studies in top-tier journals such as Nature Astronomy, The Astrophysical Journal, and Astronomy & Astrophysics, contributing to major advancements in the understanding of solar radio sources and nonlinear plasma processes. Her collaborations with international experts have deepened insights into turbulence mechanisms and solar wind microphysics. Throughout her career, she has been recognized for scientific excellence through invitations, collaborations, and impactful publications that significantly influence plasma astrophysics. Catherine Krafft continues to advance the field through innovative theoretical and computational investigations into wave dynamics in space plasmas.

Profiles : Orcid | Scopus

Featured Publications

Krafft, C., Volokitin, A. S., Polanco-Rodríguez, F. J., & Savoini, P. (2025). Radiation efficiency of electromagnetic wave modes from beam-generated solar radio sources. Nature Astronomy.

Polanco-Rodríguez, F. J., Krafft, C., & Savoini, P. (2025). Polarization ratios of turbulent Langmuir/Z-mode waves generated by electron beams in magnetized solar wind plasmas. The Astrophysical Journal Letters.

Polanco-Rodríguez, F. J., Krafft, C., & Savoini, P. (2025). Decay of turbulent upper-hybrid waves in weakly magnetized solar wind plasmas. The Astrophysical Journal Letters.

Krafft, C., Savoini, P., & Polanco-Rodríguez, F. J. (2024). Mechanisms of fundamental electromagnetic wave radiation in the solar wind. The Astrophysical Journal Letters.

Krafft, C., & Savoini, P. (2024). Electrostatic wave decay in randomly inhomogeneous solar wind. The Astrophysical Journal Letters.

Dr. Ashish Varma | Young Scientist Award

Dr. Ashish Varma | Young Scientist Award

K. N. Government P. G. College, Gyanpur, Bhadohi | India

Dr. Ashish Varma is an accomplished physicist and Assistant Professor at K. N. Government P. G. College, Gyanpur, Bhadohi, India. He earned his Ph.D. in Physics from the University of Allahabad in 2022 and has established himself as an emerging researcher in plasma physics, laser–matter interaction, and nanostructured materials. With 31 publications, over 447 citations from 117 documents, and an h-index of 13, Dr. Varma’s work demonstrates significant impact in nonlinear laser-plasma interactions, electron Bernstein wave excitation, and nanocluster plasma dynamics. His recent studies focus on laser beam–assisted plasma heating, surface plasma wave generation, and nonlinear absorption in arrays of vertically aligned carbon nanotubes. Dr. Varma has contributed to leading journals such as Optik, Laser Physics, Journal of the Korean Physical Society, and Optical and Quantum Electronics. He has also explored computational condensed matter physics, investigating electronic, structural, and optical properties of advanced materials. A recipient of the UGC Junior Research Fellowship (JRF), he continues to advance fundamental understanding of laser-plasma coupling phenomena with applications in photonics and nanotechnology. Through his active research, Dr. Varma is contributing to the development of next-generation optical and plasma-based materials and technologies.

Profile: Google Scholar | Orcid | Scopus

Featured Publications

Varma, A., Kumar, A., Mishra, S. P., Kumar, A., & Kumar, A. (2025). Surface plasma wave aided Laguerre–Gaussian laser beam second harmonic generation in arrays of vertically aligned carbon nanotube over metal surface. Journal of Laser Applications, 37(8), 7–12. https://doi.org/10.2351/7.0001819

Vishwakarma, M. K., Mishra, S. P., Kumar, A., Kumar, A., & Varma, A. (2025). Enhanced electron heating by electron plasma wave assisted beat wave of two different profile laser beams in magnetized collisional plasma with density rippled. Journal of the Korean Physical Society, 86(7), 1–8. https://doi.org/10.1007/s40042-025-01446-y

Ali, K., Kumar, S., Kumar, A., & Varma, A. (2025). Influence of field optimization property of Hermite cosh-Gaussian laser beam on nonlinear absorption in arrays of vertically aligned cylindrical carbon nanotubes. Radiation Effects and Defects in Solids, 180(4), 245–259. https://doi.org/10.1080/10420150.2025.2484740

Ansari, A., Patel, M. S., Mishra, S. P., Kumar, A., Kumar, A., & Varma, A. (2025). Excitation of large-amplitude electron plasma wave by counterpropagation of two laser beams in spherical nanoparticles. Laser Physics, 35(4), 046001. https://doi.org/10.1088/1555-6611/adc559

Kumar, S., Ali, K., Kumar, A., Kumar, A., Mishra, S. P., & Varma, A. (2025). Langmuir wave-assisted two-photon decay of an amplitude-modulated Gaussian laser beam in rippled density plasma. Arabian Journal for Science and Engineering, 50(1), 112–122. https://doi.org/10.1007/s13369-024-09234-9