Dr. Vivek Kumar | Best Researcher Award

Published on by Physics and Quantum Physics

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

Dr. Kalpana Panneerselvam | Dilute Magnetic Semiconductors | Best Researcher Award

Published on by Physics and Quantum Physics

Dr. Kalpana Panneerselvam | Dilute Magnetic Semiconductors | Best Researcher Award

Dr. Kalpana Panneerselvam | IIT Madras | India

Dr. Kalpana Panneerselvam is a distinguished researcher in Condensed Matter Physics, specializing in Nanomagnetism, Spintronics, Quantum Transport, and Thermoelectric Materials. Her research focuses on the theoretical understanding of diluted magnetic semiconductors (DMS), 2D-Xenes, and quantum-confined nanostructures, integrating quantum physics with semiconductor modeling. She has made notable contributions to the study of impurity states, exciton magnetic polarons, magneto-optical phenomena, and spin-polarized transport in low-dimensional systems. Her work on strain-engineered thermoelectric performance and Rashba spin–orbit coupling effects has advanced knowledge in nanoscale electronic transport and spin control. Dr. Panneerselvam has also explored light–matter interactions in photonic crystal waveguide cavities, linking nanophotonics with quantum computation. She employs computational tools such as Kwant, MATLAB, and FDTD simulations to model electronic and optical properties of emerging materials. Her publications in leading journals like Journal of Physics D: Applied Physics, European Physical Journal Plus, and Physica E highlight her innovative contributions. She has presented her work at major international forums, including the APS March Meeting and ICMAT, earning recognition for her clarity in theoretical modeling. A recipient of the Marie Skłodowska-Curie Fellowship Seal of Excellence, she has demonstrated exceptional academic excellence and research independence. Her doctoral work on impurity states in semimagnetic nanostructures was shortlisted among the best theses at the DAE Solid State Physics Symposium. With strong interdisciplinary expertise spanning quantum materials, spin-based electronics, and photonic devices, Dr. Panneerselvam continues to drive forward innovative approaches to understand and engineer next-generation quantum materials. She is an active member of the American Physical Society and Semiconductor Society of India, contributing meaningfully to global condensed matter and nanoscience research.

Profiles : Scopus |  Orcid | Google Scholar

Featured Publications

Panneerselvam, K., & Muralidharan, B. (2024). Giant excitonic magneto-optical Faraday rotation in single semimagnetic CdTe/Cd₁₋ₓMnₓTe quantum ring. Physica E: Low-Dimensional Systems and Nanostructures, 157, 115876.

Panneerselvam, K., & Muralidharan, B. (2024, June 18). Correction: Exciton magnetic polaron in Cd₁₋ₓMnₓTe single semimagnetic quantum ring. The European Physical Journal Plus.

Panneerselvam, K., & Muralidharan, B. (2024, April 8). Exciton magnetic polaron in Cd₁₋ₓMnₓTe single semimagnetic quantum ring. The European Physical Journal Plus, 139, 319.

Vignesh, G., Balaji, A. S., Mahalakshmi, S. M., Panneerselvam, K., & Mohan, C. R. (2023). On the semiconductor to metal transition in a quantum wire: Influence of geometry and laser. Modern Physics Letters B, 37(34), 2342007.

Panneerselvam, K., & Muralidharan, B. (2022). Exciton magnetic polaron in CdTe/Cd₁₋ₓMnₓTe single semimagnetic quantum ring. arXiv.

Panneerselvam, K., & Muralidharan, B. (2022). Modeling of exciton localization in semimagnetic concentric double quantum ring by the magnetic field. In Proceedings of the 2022 IEEE International Conference on Emerging Electronics (ICEE 2022) (pp. 1–5). IEEE.

Kalpana, P., & Jayakumar, K. (2021). Impurity states in semimagnetic quantum well wire with anisotropic confinement along in-plane directions. Journal of Experimental and Theoretical Physics, 130(2), 287–292.