Exploring model-independent features of inflationary paradigm of early universe cosmology using symmetry principles, and investigate the possible connections with future observations, Papers: 2403.10513, 2206.08395, 1507.06017, 1410.2606, 1401.1426
Some of my recent research seminars can be accessed online here:
Lecture series on cosmological correlators (lecture 1 - link, lecture 2 - link, lecture 3 - link) Chennai Strings School, The Institute of Mathematical Sciences (IMSc), Chennai (Aug 3 - 7, 2026)
Black hole thermodynamics within and beyond general relativity: a promising link between gravity and entanglement - link Physics Colloquium, Department of Physics, IIT Kanpur (September 8, 2025)
Black hole entropy in Higher derivative theories of Gravity - link Centre for High Energy Physics (CHEP), IISc Bangalore
Entropy current and second law in higher derivative theories of gravity - link Indian Strings Meeting 2021 (December 2021)
Inflationary cosmological correlators from momentum space conformal symmetry (part 1 - link, part 2 - link) Quantum Cosmos Seminars (September 2022)
Second law of black-hole thermodynamics in higher derivative theory of gravity - link TIFR Quantum Space-Time Seminars
Euclidean Path Integral Optimization in CFT’s - link Gravity, Quantum Fields and Information, virtual seminar (November 2018)
Quantum Field Theory - I (PHY681) 2021-22 Semester-I, 2020-21 Semester-I, 2019-20 Semester-I
Quantum Field Theory - II (PHY781) 2020-21 Semester-II
Courses taught at other places:
Aug 3 - 7, 2026:
Lecture series on cosmological correlators - Chennai Strings School at The Institute of Mathematical Sciences (IMSc), Chennai.
Oct 14 - Nov 9, 2019:
Quantum Field Theory-I (tutor) - SERB preparatory school on Theoretical High Energy Physics at Tezpur University.
Mentoring PhD students/postdoc/M.Sc. project
PhD students
Prateksh Dhivakar - (2019 - 2024) - presently postdoc at University of Victoria, Canada. Thesis: “Investigation of the laws of black hole thermodynamics in theories of gravity beyond general relativity.”
Ritwika Ghoshal - ongoing
Shibam Das - ongoing
Postdoc supervision
Dr. Sabyasachi Maulik - (2023 - 2025) - funded by IPDF at IIT Kanpur - presently Assistant Professor in Physics, Xavier School of Engineering and Technology, St. Xavier’s University, Kolkata.
Dr. Parthajit Biswas - (2020 - 2022) - funded by a grant of Prof. Arjun Bagchi - presently a faculty member at NIT Puducherry.
MSc project supervision
Ishan Deo - presently pursuing PhD in Purdue University.
Pinak Banerjee - presently pursuing PhD in Virginia Tech.
Shibam Das - presently pursuing PhD in IIT Kanpur.
Prakriti Singh - presently pursuing PhD in Syracuse University.
Nachiket Karve - presently pursuing PhD in Boston University.
Pushkar Soni - presently pursuing PhD in IIT Kanpur.