Detecting genuine multipartite entanglement in three-qubit systems with eternal non-Markovianity Journal of Physics A: Mathematical and Theoretical Full paper May 2022 10 pages Ankit Shambhunath Vaishy, Subhadip Mitra, Samyadeb Bhattacharya
Dynamics of two qubit central spin under fermionic environment Technical Report Short paper May 2022 8 pages Devvrat Tiwari, Shounak Datta, Samyadeb Bhattacharya, Subhashish Banerjee
Fundamental limitations on the device-independent quantum conference key agreement Physical Review A Full paper Feb 2022 15 pages Karol Horodecki, Marek Winczewski, Siddhartha Das
A-unital Operations and Quantum Conditional Entropy Quantum Journal Full paper Feb 2022 19 pages MAHATHI VEMPATI, Shah Saumya Mihirkumar, Nirman Ganguly, Indranil Chakrabarty
Detecting genuine multipartite entanglement by eternal non-Markovianity Technical Report Full paper Oct 2021 6 pages Ankit Shambhunath Vaishy, Subhadip Mitra, Samyadeb Bhattacharya
Revisiting the Quantum Open System Dynamics of Central Spin Model Quanta Full paper Oct 2021 10 pages Samyadeb Bhattacharya, Subhashish Banerjee
Improved Upper Bounds for the Hitting Times of Quantum Walks Technical Report Full paper Sep 2021 20 pages Yosi Atia, Shantanav Chakraborty
Improved upper bounds for the hitting times of quantum walks Physical Review A Full paper Sep 2021 13 pages Yosi Atia, Shantanav Chakraborty
Nearly Markovian maps and entanglement-based bound on corresponding non-Markovianity Journal of Physics A: Mathematical and Theoretical Full paper Sep 2021 Sreetama Das, Sudipto Singha Roy, Samyadeb Bhattacharya, Ujjwal Sen
Convex geometry of Markovian Lindblad dynamics and witnessing non-Markovianity Quantum Information Processing Full paper Aug 2021 Bihalan Bhattacharya, Samyadeb Bhattacharya