Research

1. Krylov complexity in Saddle-dominated Scrambling         JHEP 05 (2022) 174 Budhaditya Bhattacharjee, Xiangyu Cao, Pratik Nandy and Tanay Pathak

2. Probing quantum scars and weak ergodicity breaking through quantum complexity          Phys.Rev.B 106 (2022) 20, 205150   Budhaditya Bhattacharjee, Samudra Sur and Pratik Nandy

3. Krylov complexity in large q and double scaled SYK model  JHEP 08 (2023) 099   Budhaditya Bhattacharjee, Pratik Nandy and Tanay Pathak

4. Operator growth in open quantum systems: Lessons from Dissipative SYK            JHEP 03 (2023) 054               Budhaditya Bhattacharjee, Xiangyu Cao, Pratik Nandy and Tanay Pathak

5. Operator dynamics in Lindbladian SYK: A Krylov complexity prespective    JHEP 01 (2024) 094      Budhaditya Bhattacharjee, Pratik Nandy and Tanay Pathak

6. Krylov fractality and complexity in generic random matrix ensembles  Phys. Rev. B. 111 (2025) 6, L060202                                                                           Budhaditya Bhattacharjee and Pratik Nandy

7. Lévy Sachdev-Ye-Kitaev Model arXiv:2503.04343     Budhaditya Bhattacharjee, William E. Salazar, Dario Rosa and Alexei Andreanov

Quantum Information

1. Work and Entropy of Mixing in Isolated Quantum Systems arXiv:2503.04343     Budhaditya Bhattacharjee, Rohit K. Ray and Dominik Šafránek

Thermalization

1. Thermalization slowing down of weakly non integrable quantum spin dynamics  Phys.Rev.Res. 7 (2025) 2, 023149 Budhaditya Bhattacharjee,  Alexei Andreanov and Sergej Flach

Entanglement

1. Eigenstate capacity and Page curve in Fermionic Gaussian states  Phys. Rev. B 104 (2021) 21, 214306             Budhaditya Bhattacharjee, Pratik Nandy and Tanay Pathak

Counteradiabatic driving

1. A Lanczos approach to the Adiabatic Gauge Potential arXiv:2302.07228         Budhaditya Bhattacharjee

Holography