5 papers · 1 filter
Informational completeness of qubit measurements and IC preservability of qubit channels: Characterization and Quantification
Jatin Ghai, Arindam Mitra
Informationally complete (IC) measurements are a useful class of measurements, as their outcome statistics uniquely determine an unknown quantum state. Hence, they are important fo…
Genuine certification of incompatible quantum instruments through sequential communication tasks
Arindam Mitra, Satyaki Manna, Debashis Saha
Quantum instruments constitute the general description of quantum dynamics, encompassing both quantum measurements and quantum channels as special cases. Consequently, the incompat…
On the relevance of Hermitian-preserving trace-preserving linear maps in asymptotic information retrieval in quantum communication
Arindam Mitra, Jatin Ghai
In quantum technologies, quantum channels are essential for transmitting quantum states. Quantum channels usually introduce noise, thereby reducing the information in a state. Thes…
Instrument-based quantum resources: quantification, hierarchies and constructing resource theories
Jatin Ghai, Arindam Mitra
Quantum resources are certain features of the quantum world that provide advantages in certain information-theoretic, thermodynamic, or other useful operational tasks that are outs…
Distance-based measures and Epsilon-measures for measurement-based quantum resources
Arindam Mitra, Sumit Mukherjee, Changhyoup Lee
Quantum resource theories provide a structured and elegant framework for quantifying quantum resources. While state-based resource theories have been extensively studied, their mea…