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19 papers · 2 filters
Detecting entanglement with a thermometer
Janet Anders, Dagomir Kaszlikowski, Christian Lunkes +2
We present a general argument showing that the temperature as well as other thermodynamical state variables can qualify as entanglement witnesses for spatial entanglement. This hol…
Entanglement-assisted Orientation in Space
Caslav Brukner, Nikola Paunkovic, Terry Rudolph +1
We demonstrate that quantum entanglement can help separated individuals in making decisions if their goal is to find each other in the absence of any communication between them. We…
The Grammar of Teleportation
Christopher G. Timpson
Whilst a straightforward consequence of the formalism of non-relativistic quantum mechanics, the phenomenon of quantum teleportation has given rise to considerable puzzlement. In t…
Natural three-qubit interactions in one-way quantum computing
M. S. Tame, M. Paternostro, M. S. Kim +1
We address the effects of natural three-qubit interactions on the computational power of one-way quantum computation (\QC). A benefit of using more sophisticated entanglement struc…
Coherent evolution via reservoir driven holonomy
Angelo Carollo, Marcelo Franca Santos, Vlatko Vedral
We show that in the limit of strongly interacting environment a system initially prepared in a Decoherence Free Subspace (DFS) coherently evolves in time, adiabatically following t…
Geometric phase induced by a cyclically evolving squeezed vacuum reservoir
Angelo Carollo, G. Massimo Palma, Artur Lozinski +2
We propose a new way to generate an observable geometric phase by means of a completely incoherent phenomenon. We show how to imprint a geometric phase to a system by "adiabaticall…