Genuine Einstein-Podolsky-Rosen steering of three-qubit states by multiple sequential observers

no code implementations • 7 Jul 2020 • Shashank Gupta, Ananda G. Maity, Debarshi Das, Arup Roy, A. S. Majumdar

We investigate the possibility of multiple use of a single copy of three-qubit states for genuine tripartite Einstein-Podolsky-Rosen (EPR) steering.

Quantum Physics

Protecting quantum correlations in presence of generalised amplitude damping channel: the two-qubit case

no code implementations • 8 Mar 2019 • Suchetana Goswami, Sibasish Ghosh, A. S. Majumdar

Any kind of quantum resource useful in different information processing tasks is vulnerable to several types of environmental noise.

Quantum Physics