8 papers
(2,m)-threshold quantum data hiding
Donghoon Ha, Jeong San Kim
We consider multiparty quantum state discrimination and present a multiparty quantum data-hiding scheme for one classical bit to be shared among multiple parties. In the proposed s…
Factorizability of optimal quantum sequence discrimination under maximum-confidence measurements
Donghoon Ha, Jeong San Kim
We consider the discrimination of quantum sequences under maximum-confidence measurements and show that the optimal discrimination of a quantum sequence ensemble can always be fact…
Quantum data hiding with two-qubit separable states
Donghoon Ha, Jeong San Kim
We consider the discrimination of two-party quantum states and provide a quantum data-hiding scheme using two-qubit separable states. We first provide a bound on the optimal local…
Factorizability of multi-party quantum sequence discrimination under local operations and classical communication
Donghoon Ha, Jeong San Kim
We consider multi-party quantum sequence discrimination under local operations and classical communication(LOCC), and provide conditions under which the optimal LOCC discrimination…
Multi-player quantum data hiding by nonlocal quantum state ensembles
Donghoon Ha, Jeong San Kim
We provide multi-player quantum data hiding based on nonlocal quantum state ensembles arising from multi-party quantum state discrimination. Using bounds on local minimum-error dis…
Quantum data-hiding scheme using orthogonal separable states
Donghoon Ha, Jeong San Kim
We consider bipartite quantum state discrimination and present a quantum data-hiding scheme utilizing an orthogonal separable state ensemble. Using a bound on local minimum-error d…