Biography

Research Interest

• String Theory, Black Hole physics, Holography and Hydrodynamics with Lorentzian and Non-Lorentzian symmetries.
• Aspects of Entanglement Entropy, OTOCs, Quantum Information and Supersymmetry in Lorentzian and Non-Lorentzian theories.

Education Experience

• 2013 - 2019 | Chennai Mathematical Institute | Theoretical Physics | Ph.D | Thesis Title: Aspects of holography: mainly nAdS_2 holography from dimensional reduction and non-relativistic holography for hyperscaling violating Lifshitz theories | (Supervisor: Prof. K. Narayan)
• 2007 - 2012 | Centre for Excellence in Basic Sciences, Mumbai, India | Physics | M.Sc. | Thesis Title: Stationary Superfluid Flow on S3, and Self Energy of Fermion in Chern-Simons Theory with Massive Fermion | (Supervisor: Prof. Shiraz Minwalla)

Work Experience

• 2025 - -- | BIMSA | Assistant Professor
• 2023 - 2025 | Yau Mathematical Sciences Center, Tsinghua University | Postdoctoral Fellow
• 2019 - 2023 | Indian Institute of Technology | Postdoctoral Fellow
• 2012 - 2013 | University of Mumbai | Lecturer in the Dept. of Physics

Publication

• [1] KS Kolekar, T Mandal, A Shukla, P Soni, Hydrodynamics in the Carrollian regime, International Journal of Modern Physics A, 41(2), 2650016-1 to 2650016-36 (2025)
• [2] A Bagchi, A Banerjee, J Hartong, E Have, KS Kolekar, M Mandlik, Strings near black holes are Carrollian, Physical Review D, 110(8), 086009 (2024)
• [3] A Bagchi, KS Kolekar, T Mandal, A Shukla, Heavy-ion collisions, Gubser flow, and Carroll hydrodynamics, Physical Review D, 109(5), 056004 (2024)
• [4] A Bagchi, A Banerjee, J Hartong, E Have, KS Kolekar, Strings near black holes are Carrollian. Part II, Journal of High Energy Physics, 2024(11), 1-43 (2024)
• [5] A Bagchi, KS Kolekar, A Shukla, Carrollian origins of Bjorken flow, Physical Review Letters, 130(24), 241601 (2023)
• [6] A Bagchi, A Banerjee, S Dutta, KS Kolekar, P Sharma, Carroll covariant scalar fields in two dimensions, Journal of High Energy Physics, 2023(1), 1-50 (2023)
• [7] A Bagchi, R Basu, M Islam, KS Kolekar, A Mehra, Galilean gauge theories from null reductions, Journal of High Energy Physics, 2022(4), 1-40 (2022)
• [8] A Bagchi, S Dutta, KS Kolekar, P Sharma, BMS field theories and Weyl anomaly, Journal of High Energy Physics, 2021(7), 1-34 (2021)
• [9] K Fernandes, KS Kolekar, K Narayan, S Roy, Schwarzschild de Sitter and extremal surfaces, The European Physical Journal C, 80(9), 866 (2020)
• [10] KS Kolekar, Aspects of holography: mainly nAdS2 holography from dimensional reduction and non-relativistic holography for hyperscaling violating Lifshtiz theories, Chennai Mathematical Institute (2020)
• [11] KS Kolekar, K Narayan, On AdS2 holography from redux, renormalization group flows and c-functions, Journal of High Energy Physics, 2019(2), 1-38 (2019)
• [12] DP Jatkar, KS Kolekar, K Narayan, $N$ -level ghost spins and entanglement, Physical Review D, 99(10), 106003 (2019)
• [13] KS Kolekar, K Narayan, $AdS2$ dilaton gravity from reductions of some nonrelativistic theories, Physical Review D, 98(4), 046012 (2018)
• [14] KS Kolekar, D Mukherjee, K Narayan, Notes on hyperscaling violating Lifshitz and shear diffusion, Physical Review D, 96(2), 026003 (2017)
• [15] KS Kolekar, D Mukherjee, K Narayan, Hyperscaling violation and the shear diffusion constant, Physics Letters B, 760, 86-93 (2016)