Physics

Research

Research by faculty in the department occupies the better part of the spectrum between theoretical and experimental physics. Dr. Sanjeeta Rani has her research interests in material science and has an experience of handling cryogenic units at low temperatures ~4.2 K. She is well versed with the techniques of growing single crystals and sample characterization. Her academic and research interests are a mix of experimental and theoretical. Recently she is engaged in working in nanomaterials, Bio-polymers, NMR Studies and computational physics. She also has an exposure to various computational methods and programming languages ranging from low level i.e. assembly language to high level like, python, C++, Fortran, Pascal etc. She likes to work with students on undergraduate research projects involving simulation and numerical analysis software like Scilab, data analysis by R programming as well as on application oriented experimental projects.

Dr. Shalu Dhanda as a theoretical Physicist holds doctoral degree in Symmetries, First Integrals and Nambu Poisson dynamical Systems from University of Delhi. She specializes in Classical Mechanics and Electronics. Presently she is working on studies of Inversion of Noether theorem to invoke symmetries, a well known result of geometric classical mechanics on constant of motion for the Hamiltonian vector field and apply it to higher order odd dimensional phase space systems. She has been a member of Faculty of Science, University of Delhi which was instrumental for formulating undergraduate syllabi for UGCF 2022 under NEP 2020. She was recipient of Brij Lal Endowment Scholarship, University of Delhi for holding meritorious position in post graduation.

Prof. Arijit Chowdhuri is an experimental material scientist and has research interests in designing of autonomous Electronic Nose & integrated semiconductor gas/chemical sensors, Quartz Crystal Microbalance sensors, Surface Plasmon Resonance based gas/biosensing, Ambient air pollution detection and mitigation, water purification etc. He has been a Visiting Fellow at Australian National University and successfully carried out a Indo-Slovenia bilateral project.

Dr. Meenu Mohil holds a doctoral degree in Theoretical High Energy Physics from University of Delhi. Her research interests include Phase transition in QFT in the environment of the early universe and in the core of neutron stars under conditions of very high temperature, density, and magnetic field. She specializes in core areas of Advanced Mathematical Physics, linear algebra and Electromagnetism. She is an active member of the committee of courses constituted By Department of Physics, University of Delhi for framing the structure and syllabus of B.Sc. (Hon) Physics and Programs courses under National Education policy (NEP) framework 2022.

Dr. Ranjeet Singhis a theoretical Plasma physicist with focus on its parametric instabilities. His research interest includes being involved in the front-line research area of plasma physics like auxiliary heating of a tokamak. He is currently involved in the area of laser driven electron acceleration wherein he is trying to see the effect of pulse distortion on electron acceleration in inhomogeneous plasma. His theoretical work involves seeing the effect of axial and transverse magnetic fields on laser beat wave acceleration (LBWA) of electrons and the energy gain. In parallel he is carrying out simulation work on Raman scattering to study various instabilities.

Prof. Rachna Joshi holds a doctoral degree in theoretical Atomic Physics from University of Delhi. Her research interests include Multiphoton processes, Atoms in intense laser fields, Confined atoms, Plasma embedded atoms etc. Recently she is working into a new and upcoming area of information theoretic measurements starting with the calculation of Shannon Entropy. Her research endeavors have resulted in 16 publications in reputed international journals and three chapters in national and international books. She has presented research papers in national and internal conferences. She has also been part of the organizing committees of two international conferences held at the University of Delhi. She is a Life member of many professional bodies in the field of Atomic Physics, Plasma Physics and Laser Physics.

Dr. V. Bhasker Raj has research interests in the field of: deposition and characterization of metal oxide thin films, testing of individual sensor and electronics nose for toxic vapors and gases, fabrication of SAW devices, fast gas chromatography for the detection of chemical warfare agents and explosives and different pattern recognition techniques. He has worked at SPEC lab., University of Puerto Rico, Puerto Rico, USA. He was also part of mission mode project E-Nasika at Solid State Physics Laboratory (DRDO) in Surface Acoustic Wave group .

Dr. RohtashSingh did his Ph.D. in theoretical plasma physics from Indian Institute of Technology Delhi (IIT Delhi). His research interest covers a diverse area of plasma physics including various phenomena like particle acceleration, THz radiation generation, self-focusing and laser-cluster interaction. Presently he is working on high-power laser interaction with dense clusters.

Dr. Ambikahas research interests in ion beam irradiation / implantations, research in material science especially in the field of polymer and composites materials. She has visited University of British Columbia (Canada) and TRIUMF laboratory (Canada) to pursue her research. She is a life member of Nuclear Track Society of India (NTSI) and has been a recipient of Dr. D. S. Kothari fellowship and Women-PDF from UGC.

Dr. Sanjay Kumar includes development work on theory and applications of holography. He has carried out investigations on bleached phase holograms using different bleach processes, different developers, different recording and reconstruction wavelengths, and different recording materials. He is involved in measurements of diffraction efficiency, scattering and stability of bleached holograms. He is a life member of 'Optical Society of India'. Presently he is busy in research planning of optical/ holographic biosensors and Holographic Solar Concentrators.

Dr. Satya Prakash Yadav has research interests in field of Soft Condensed Matter physics. His specialization includes investigating the science of liquid crystal materials and its multifunctional nature combining the basic aspects of physics, chemistry, biology and engineering. He is occupied in studying applications of liquid crystals including as Biological and Chemical Sensors, their structure and influence of various foreign additives on the properties of liquid crystalline materials.

Dr. Dinesh Verma has designed a customized chemo-mechanical autonomous oscillator (as Mercury Beating Heart system) to explore concepts in Nonlinear Dynamics. He is involved in exploring topological modes in Mercury drop in MBH system besides studying coupled behavior of MBH system and its synchronization. He has also investigated entertainment behavior of MBH systems and synchronization of chaotic electrochemical systems.

Dr. Pradeep Kumar Guptais a theoreticalphysicist in the field of nonlinear laser plasma interaction. Along With Prof. Dona Strickland (Nobel Laureate, 2018), he has studied the effect of non-linear processes during photodisruption of crystalline lens (eye lens), due to energetic laser pulses, in order to cure presbyopia. Apart from this, compression of high power laser pulse utilizing plasma nonlinearity and turbulent magnetic field amplification reported in laboratory experiments also belongs to his expertise.

Dr. Rakesh Kumar Sonker has received his Ph.D. degree in 2016 from Department of Applied Physics, Babasaheb Bhimrao Ambedkar University, Lucknow, India. He has visited the Functional Nanomaterials laboratory, University of Kiel (Germany) to pursue his research. Currently, he is an Assistant Professor in the Department of Physics, Acharya Narendra Dev College, University of Delhi, India. To his credits, there are over 42 articles in various peer-reviewed SCI journals including Trends in Sensor and Actuator, RSC Advances, Journal of Hazardous Materials, Energy & Fuels, Applied Surface science, etc. To date, his work has fetched a decent 1184 citations with an h-index of 22 and an i10-index of 28. In addition, he has edited a book in Springer Nature Journal: “ Smart Nanostructure Materials and Sensor Technology”, and also authored 10 book chapters. He has been contributing to scientific society by actively reviewing articles for more than 35 SCI journals and was awarded the peer review award by Elsevier in the years 2017, 2018, 2019 and 2020. Dr. Sonker is also editorial member of various scientific indexed journals and is lifetime member of ISCA. He is the recipient of prestigious Young Research Award-2015 instituted by Sathyabama University. Also, Dr. Sonker was selected in 2017 for National Post-Doctoral Fellowship of Department of Science and Technology, and also selected for BRICS Young Scientist Forum 2022 , India. His current interests of research include the synthesis of functional 2D/3D nanomaterial, metal oxides nanoparticles, nanoporous materials, metallopolymers, etc., characterizations and their energy storage device and sensor applications.

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