119 citations · 520 across the 37 of their papers we have counts for
3 papers · 1 filter
The communication power of a noisy qubit
Giulio Chiribella, Saptarshi Roy, Tamal Guha +1
A fundamental limitation of quantum communication is that a single qubit can carry at most 1 bit of classical information. For an important class of quantum communication channels,…
Operational Ergotropy: suboptimality of the geodesic drive
Pritam Halder, Srijon Ghosh, Saptarshi Roy +1
We put forth a notion of optimality for extracting ergotropic work, derived from an energy constraint governing the necessary dynamics for work extraction in a quantum system. With…
Minimum Detection Efficiencies for Loophole-free Genuine Nonlocality Tests
Subhendu B. Ghosh, Snehasish Roy Chowdhury, Ranendu Adhikary +2
The certification of quantum nonlocality, which has immense significance in architecting device-independent technologies, confronts severe experimental challenges. Detection loopho…