Ritabrata Sengupta and Ajit Iqbal Singh. Useful variants and perturbations of completely entangled subspaces and spans of unextendible product bases. To appear in Infin. Dimens. Anal. Quantum Probab. Relat. Top.. arXiv:2402.14697 [quant-ph], 2024.
Soumya Das, Goutam Paul, and Ritabrata Sengupta. Entanglement Monogamy in Indistinguishable Particle Systems. Scientific Reports, 13 (1), 21972, 2023.
Pratapaditya Bej, Saronath Halder, and Ritabrata Sengupta. Optimal teleportation fidelity and its deviation in noisy scenarios. Modern Physics Letters A, Vol. 38, No. 38n39, 2350169, 2023.
Somshubhro Bandopadhyay, Saronath Halder, and Ritabrata Sengupta. Conditions for local transformations between sets of quantum states. Phys. Rev. A, 105, 062212, 2022.
Rajendra Bhatia, Tanvi Jain, and Ritabrata Sengupta. A Szegő type theorem and distribution of symplectic eigenvalues. Journal of Spectral Theory, 11 (3), pp. 1369–1389, 2021.
Mayank Mishra, Ritabrata Sengupta, and Arvind. Increasing distillable key from bound entangled states by using local filtration. Phys. Rev. A, 102, 032415, 2020.
Chandan Kumar, Ritabrata Sengupta, and Arvind. Optimal characterization of Gaussian channels using photon-number-resolving detectors. Phys. Rev. A, 102, 012616, 2020.
Saronath Halder and Ritabrata Sengupta. Distinguishability classes, resource sharing, and bound entanglement distribution. Phys. Rev. A, 101, 012311, 2020.
Saronath Halder and Ritabrata Sengupta. Noisy bound entangled states: construction and their detection. Phys. Lett. A, 383, 2004 – 2010, 2019.
B. V. Rajarama Bhat, K. R. Parthasarathy, and Ritabrata Sengupta. On the equivalence of separability and extendability of quantum states. Rev. Math. Phys., 29(4):1750012, 16, 2017.
Debmalya Das, Ritabrata Sengupta, and Arvind. Measurement-based local quantum filters and their ability to transform quantum entanglement. Pramana, 88(6): 82, 2017.
K. R. Parthasarathy and Ritabrata Sengupta. On the Kolmogorov-Wiener-Masani spectrum of a multi-mode weakly stationary quantum process. Comm. Stoch. Anal., 10(4): 433 -- 449, 2016.
Cécilia Lancien, Otfried Gühne, Ritabrata Sengupta, Marcus Huber. Relaxations of separability in multipartite systems: Semidefinite programs, witnesses and volumes. Journal of Physics A: Mathematical and Theoretical, 48(50):505302, 2015.
K. R. Parthasarathy, Ritabrata Sengupta. From particle counting to Gaussian tomography. Infin. Dimens. Anal. Quantum Probab. Relat. Top., Vol. 18, No. 4, 1550023, (2015).
K. R. Parthasarathy and Ritabrata Sengupta. Exchangeable, stationaryand entangled chains of Gaussian states. J. Math. Phys.,56(10):102203, 11 , 2015.
R Sengupta, Arvind, and Ajit Iqbal Singh. Entanglement properties of positive operators with ranges in completely entangled subspaces. Phys. Rev. A, 90, 062323.
Marcus Huber and Ritabrata Sengupta. Witnessing genuine multipartite entanglement with positive maps. Phys. Rev. Lett., 113, 100501.
R Sengupta and Arvind. Extremal extensions of entanglement witnesses and their connections with UPB. Phys. Rev. A, 87, 012318.
R Sengupta and Arvind. Extremal extensions of entanglement witnesses: Unearthing new bound entangled states. Phys. Rev. A, 84, 032328.
L. Jeganathan, R.Rama, and Ritabrata Sengupta. Note on Unlabelled Finite graphs. In Languages and classification, Cryptography, Automata and Learning Theory, pp. 188–191, Narosa, 2011.
Bihalan Bhattacharya, Uwe Franz, Saikat Patra, and Ritabrata Sengupta. Infinite dimensional dynamical maps. arXiv:2406.19176 [math.FA], 2024.
Leevi Leppäjärvi, Ion Nechita and Ritabrata Sengupta. Generating random Gaussian states. arXiv:2401.13435 [quant-ph], 2024.
Sohail, Sahil, Ritabrata Sengupta, and Ujjwal Sen. Duality between quantum channels and super-channels is basis-dependent. arXiv:2306.16395 [quant-ph], 2023.
Arijit Dutta, Sibasish Ghosh, Jaewan Kim, Ritabrata Sengupta. Detecting entanglement in arbitrary two-mode Gaussian state: a Stokes-like operator based approach. arXiv:2103.12987 [quant-ph], 2021.
Pratapaditya Bej, Saronath Halder, and Ritabrata Sengupta. Teleportation fidelity and its deviation for an arbitrary two-qubit state when the classical communication is noisy. arXiv:2102.01022 [quant-ph], 2021.
L. Jeganathan, R. Rama, Ritabrata Sengupta. Application of Generalised sequential crossover of languages to generalised splicing. arXiv:0902.3818 [cs.DM].
L. Jeganathan, R. Rama, Ritabrata Sengupta. Generalised sequential crossover of words and languages. arXiv:0902.3503 [cs.DM].
L. Jeganathan, R. Rama, Ritabrata Sengupta. A proposal to a generalised splicing with a self assembly approach. arXiv:0802.0260 [cs.DM]. Accepted as a poster in “International Meeting on DNA Computing” (DNA 2008); Prague, Czech Republic.