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10 papers · 1 filter
Maximal entanglement versus entropy for mixed quantum states
Tzu-Chieh Wei, Kae Nemoto, Paul M. Goldbart +3
Maximally entangled mixed states are those states that, for a given mixedness, achieve the greatest possible entanglement. For two-qubit systems and for various combinations of ent…
Inferring superposition and entanglement from measurements in a single basis
Bella Schelpe, Adrian Kent, William Munro +1
We discuss what can be inferred from measurements on one- and two-qubit systems using a single measurement basis at various times. We show that, given reasonable physical assumptio…
Quantum Teleportation of Optical Quantum Gates
Stephen D. Bartlett, William J. Munro
We show that a universal set of gates for quantum computation with optics can be quantum teleported through the use of EPR entangled states, homodyne detection, and linear optics a…
Experimentally realizable characterizations of continuous variable Gaussian states
M. S. Kim, Jinhyoung Lee, W. J. Munro
Measures of entanglement, fidelity and purity are basic yardsticks in quantum information processing. We propose how to implement these measures using linear devices and homodyne d…
Nonclassicality and information exchange in deterministic entanglement formation
M. C. de Oliveira, W. J. Munro
We discuss the role of nonclassicality of quantum states as a necessary resource in deterministic generation of multipartite entangled states. In particular for three bilinearly co…
Quantum nonlocality, Bell inequalities and the memory loophole
Jonathan Barrett, Daniel Collins, Lucien Hardy +2
In the analysis of experiments designed to reveal violation of Bell-type inequalities, it is usually assumed that any hidden variables associated with the nth particle pair would b…