5 papers
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 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…
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…
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…
Quantum nonlocality without entanglement depending on nonzero prior probabilities in optimal unambiguous discrimination
Donghoon Ha, Jeong San Kim
Nonlocality without entanglement(NLWE) is a nonlocal phenomenon that occurs in quantum state discrimination of multipartite separable states. In the discrimination of orthogonal se…