Rajendra Gupta

Rajendra Gupta is an Assistant Professor in the Department of Physics at the University of Ottawa. His research focuses on astrophysics, cosmology, and general relativity, with an emphasis on evolving physical constants, the dynamics of the universe, and observations using facilities like the James Webb Space Telescope (JWST). He holds a PhD in Physics from the University of Allahabad, India, and has been affiliated with institutions including the National Research Council of Canada, McGill University, and the University of Manitoba.

His research interests include cosmological models beyond the standard framework, analysis of cosmic microwave background (CMB) data, baryon acoustic oscillations (BAO), and dark matter/energy studies. He actively explores how variations in fundamental constants (e.g., gravitational constant, fine-structure constant) impact astrophysical phenomena such as supernova luminosity, quasar spectra, and early universe conditions.

His recent publications (2020–2024) investigate topics like CCC+TL cosmology, JWST observations of the early universe, and constraints on varying constants using quasars and gravitational lensing. He also contributes to metrology through experiments like inertial mass measurement with Kibble balances.

Dr. Gupta teaches astrophysics at both undergraduate and graduate levels and maintains an active research program analyzing observational data from cutting-edge telescopes and theoretical models. His work bridges theoretical cosmology with experimental astrophysics, addressing longstanding questions like the lithium problem and the faint young Sun paradox.