Biography

Research Interest

• Tensionless (Null) String Theory
• Non-Lorentzian Conformal Field Theories and Holography

Education Experience

• 2018 - 2024 | Indian Institute of Technology Kanpur | Physics | Ph.D | Thesis Title: A Stringy Journey Along The Tensionless Path | (Supervisor: Prof. Arjun Bagchi)
• 2015 - 2017 | Indian Institute of Technology Kanpur | Physics | M.Sc.
• 2012 - 2015 | Ramakrishna Mission Residential College, Narendrapur | Physics | B.Sc.

Work Experience

• 2025 - -- | BIMSA | Postdoc
• 2024 - 2025 | Indian Institute of Technolgy Ropar | Research Associate

Publication

• [1] A Bagchi, A Banerjee, R Chatterjee, P Pandit, The Tensionless Lives of Null Strings, accepted by arXiv, 2601.20959 (2026)
• [2] A Bagchi, S Chakrabortty, P Chakraborty, R Chatterjee, P Pandit, Boundary Carroll CFTs: SUSY and Superstrings, Journal of High Energy Physics, 2025(12), 1-42 (2025)
• [3] A Banerjee, R Chatterjee, P Pandit, Tensionless strings in a Kalb-Ramond background, Journal of High Energy Physics, 2024(6), 1-55 (2024)
• [4] A Bagchi, R Chatterjee, R Kaushik, S Pal, M Riegler, D Sarkar, BMS field theories with $u(1)$ symmetry, Physical Review D, 107(10), 106019 (2023)
• [5] A Bagchi, R Chatterjee, R Kaushik, A Saha, D Sarkar, Non-Lorentzian Kač-Moody algebras, Journal of High Energy Physics, 2023(3), 1-52 (2023)
• [6] A Banerjee, R Chatterjee, P Pandit, Tensionless tales of compactification, Journal of High Energy Physics, 2023(9), 1-52 (2023)
• [7] A Bagchi, A Banerjee, S Chakrabortty, R Chatterjee, A Rindler road to Carrollian worldsheets, Journal of High Energy Physics, 2022(4), 1-42 (2022)