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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…
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…
Bounds on entanglement in qudit subsystems
Vivien M Kendon, Karol Zyczkowski, William J Munro
The entanglement in a pure state of N qudits (d-dimensional distinguishable quantum particles) can be characterised by specifying how entangled its subsystems are. A generally mixe…
Properties of multi-partite dark states
Pieter Kok, Kae Nemoto, William J. Munro
We investigate and define dark and semi-dark states for multiple qudit systems. For two-level systems, semi-dark and dark states are equivalent. We show that the semi-dark states a…