2 papers
quant-ph2026
Incompleteness is necessary for activation of nonlocality without entanglement
Atanu Bhunia, Saronath Halder, Preeti Parashar +1
A set of orthogonal product states is said to exhibit "quantum nonlocality without entanglement" if it is locally indistinguishable, i.e. no sequence of local operations and classi…
quant-ph2025
The likelihood operator and Fisher information in quantum probability
Kalyan B. Sinha, Ritabrata Sengupta
We study the problem of Quantum Likelihood Operators (LO) and their connection with quantum Fisher information (QFI). It is observed that the present approaches to this problem tac…