Asymmetric one-sided semi-device-independent steerability of quantum discordant states

C Jebarathinam, D Das, R Srikanth - Physical Review A, 2023 - APS
Superlocality and superunsteerability provide operational characterization of quantum
correlations in certain local and unsteerable states, respectively. Such quantum correlated …

Interplays between classical and quantum entanglement-assisted communication scenarios

C Vieira, C de Gois, L Pollyceno… - New Journal of …, 2023 - iopscience.iop.org
Prepare-and-measure scenarios (pm), in their many forms, can be seen as the basic
building blocks of communication tasks. As such, they can be used to analyze a diversity of …

Ability of unbounded pairs of observers to achieve quantum advantage in random access codes with a single pair of qubits

D Das, A Ghosal, AG Maity, S Kanjilal, A Roy - Physical Review A, 2021 - APS
Complications in preparing and preserving quantum correlations stimulate recycling of a
single quantum resource in information processing and communication tasks multiple times …

Constructing a ball of separable and absolutely separable states for quantum system

S Adhikari - The European Physical Journal D, 2021 - Springer
Absolute separable states is a kind of separable state that remain separable under the
action of any global unitary transformation. These states may or may not have quantum …

The aspect of bipartite coherence in quantum discord to semi-device-independent nonlocality and its implication for quantum information processing

C Jebarathinam, HY Ku, HC Cheng… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum discord can demonstrate quantum nonlocality in the context of a semi-device-
independent Bell or steering scenario, ie, by assuming only the Hilbert-space dimension …

Operational quantification of simultaneous correlations in complementary bases of two-qubit states via one-sided semi-device-independent steering

C Jebarathinam, D Das, D Sarkar - arXiv preprint arXiv:2407.11755, 2024 - arxiv.org
Recently, a weak form of quantum steering, ie, certification of quantum steering in a one-
sided semi-device-independent way, has been formulated [Jebarathinam et al. Phys. Rev. A …

Asymmetric Steerability of Quantum Discordant States in a One-Sided Semi-Device-Independent way

C Jebarathinam, D Das, R Srikanth - arXiv preprint arXiv:2307.09116, 2023 - arxiv.org
Superlocality and superunsteerability provide operational characterization of quantum
correlations in certain local and unsteerable states respectively. Such quantum correlated …

Certifying quantumness beyond steering and nonlocality and its implications on quantum information processing

C Jebarathinam, D Das - arXiv preprint arXiv:1912.01270, 2019 - arxiv.org
Superunsteerability is a particular kind of spatial quantum correlation that can be observed
in a steering scenario in the presence of limited shared randomness. In this work, we define …

Role of nonclassical temporal correlation in powering quantum random access codes

S Bera, AG Maity, S Mal, AS Majumdar - Physical Review A, 2022 - APS
We explore the fundamental origin of the quantum advantage behind random access code.
We propose new temporal inequalities compatible with noninvasive-realist models and …

Sufficient conditions for quantum advantage in random access code protocols with two-qubit states

S Kanjilal, C Jebarathinam, T Paterek, D Home - Physical Review A, 2023 - APS
A random access code (RAC) is an important communication protocol to obtain information
about a randomly specified substring of an n-bit string, while only having limited information …