Master projects

• Critical Behavior of Percolation Phenomena
  Supervisor: Prof. Subhrangshu Sekhar Manna, SNBNCBS (June 2021 - July 2021)

• Ordered Harmonic Chain Driven by Boundary Resetting
  Supervisor: Dr. Urna Basu, SNBNCBS (September 2021 - January 2022)

• Observation of Spin Hall Effect of Light via Quantum Weak Measurement
  Supervisor: Prof. Manik Pradhan, SNBNCBS (January 2022 - May 2022)

List of published work & preprints

• Pritam Roy, Subhankar Bera, A. S. Majumdar and Shiladitya Mal, Robust certification of quantum instruments through a sequential communication game;  Physical Review A 113, 022611 (2026). https://doi.org/10.1103/nw61-nwj7 

• Pritam Roy, Subhankar Bera, and A. S. Majumdar, Secure One-Sided Device-Independent Quantum Key Distribution Under Collective Attacks with Enhanced Robustness;  Quantum Information Processing 25, 46 (2026).  https://doi.org/10.1007/s11128-026-05073-9 

• Pritam Roy, Souradeep Sasmal, Subhankar Bera, Shashank Gupta, Arup Roy and A. S. Majumdar, Sequential Attack Impairs Security in Device-independent Quantum Key Distribution; arXiv:2411.1682 (2024). https://doi.org/10.48550/arXiv.2411.16822.

• Pritam Roy, Subhankar Bera, Shashank Gupta, and A. S. Majumdar, "Device-independent quantum secure direct communication under non-Markovian quantum channels," Quantum Information Processing, 23, 170 (2024). https://doi.org/10.1007/s11128-024-04397-8

• Ritwick Sarkar, Pritam Roy, "Stationary state of harmonic chain driven by boundary resetting," Journal of Statistical Mechanics: Theory and Experiment, 2023 (10), 103204. https://doi.org/10.1088/1742-5468/ad054e

My academic profile can be found on