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

Dr. Vivek Kumar | Best Researcher Award

Dr. Vivek Kumar | Best Researcher Award

Indian Institute of Technology Mandi | India

Dr. Vivek Kumar is a physicist at the Indian Institute of Technology (IIT) Mandi, School of Physical Sciences, where he earned his Ph.D. in Physics. His research focuses on quantum materials, quantum spin liquids, Raman spectroscopy, and density functional theory (DFT). Dr. Kumar has made significant contributions to understanding phonon dynamics, fractional spin fluctuations, and quantum liquid behavior in low-dimensional magnetic and topological systems. His notable publications include works in Physical Review B, 2D Materials, Annalen der Physik, and Physica Status Solidi (RRL), exploring complex phenomena such as electron-phonon coupling, Mott transitions, and the interplay of topology with magnetism in van der Waals materials. He has authored 6 research documents, which have collectively garnered 33 citations from 28 sources, reflecting the growing recognition of his contributions within the condensed matter physics community. With an h-index of 4, Dr. Kumar continues to advance the understanding of correlated quantum systems through both experimental Raman studies and first-principles simulations. His research excellence underscores the pursuit of novel states of matter in two-dimensional materials, offering promising directions for future quantum technologies and materials innovation.

Profiles : Google Scholar | Orcid | Scopus

Featured Publications

Kumar, D., Kumar, V., Kumar, R., Kumar, M., & Kumar, P. (2022). Electron-phonon coupling, thermal expansion coefficient, resonance effect, and phonon dynamics in high-quality CVD-grown monolayer and bilayer MoSe₂. Physical Review B, 105(8), 085419. https://doi.org/10.1103/PhysRevB.105.085419

Kumar, V., Kumar, D., Singh, B., Shemerliuk, Y., Behnami, M., Büchner, B., Aswartham, S., & Kumar, P. (2023). Fluctuating fractionalized spins in quasi-two-dimensional magnetic V₀.₈₅PS₃. Physical Review B, 107(9), 094417. https://doi.org/10.1103/PhysRevB.107.094417

Singh, B., Kumar, D., Kumar, V., Vogl, M., Wurmehl, S., Aswartham, S., Büchner, B., & Kumar, P. (2021). Fractional spin fluctuations and quantum liquid signature in Gd₂ZnIrO₆. Physical Review B, 104(13), 134402. https://doi.org/10.1103/PhysRevB.104.134402

Khan, N., Kumar, D., Kumar, V., Shemerliuk, Y., Selter, S., Büchner, B., Pal, K., Aswartham, S., & Kumar, P. (2024). The interplay of topology and antiferromagnetic order in two-dimensional van der Waals crystals of (NiₓFe₁₋ₓ)₂P₂S₆. 2D Materials, 11(3), 035018. https://doi.org/10.1088/2053-1583/ad3e0a

Kumar, V., Shemerliuk, Y., Behnami, M., Büchner, B., Aswartham, S., & Kumar, P. (2025). Dynamics of phonons and magnetic continuum in thin flakes of V(1−X)PS₃. Physical Review Materials, 9(7), 076201. https://doi.org/10.1103/pb66-73sc