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16 papers · 2 filters
Revealing anyonic features in a toric code quantum simulation
J. K. Pachos, W. Wieczorek, C. Schmid +3
Anyons are quasiparticles in two-dimensional systems that show statistical properties very distinct from those of bosons or fermions. While their isolated observation has not yet b…
Dimensionality induced entanglement in macroscopic dimer systems
Dagomir Kaszlikowski, Wonmin Son, Vlatko Vedral
We investigate entanglement properties of mixtures of short-range spin-s dimer coverings in lattices of arbitrary topology and dimension. We show that in one spacial dimension near…
Atomic cluster state build up with macroscopic heralding
Jeremy Metz, Christian Schoen, Almut Beige
We describe a measurement-based state preparation scheme for the efficient build up of cluster states in atom-cavity systems. As in a recent proposal for the generation of maximall…
Chiral entanglement in triangular lattice models
D. I. Tsomokos, J. J. Garcia-Ripoll, N. R. Cooper +1
We consider the low energy spectrum of spin-1/2 two-dimensional triangular lattice models subject to a ferromagnetic Heisenberg interaction and a three spin chiral interaction of v…
Multipartite entanglement of superpositions
D. Cavalcanti, M. O. Terra Cunha, A. Acin
The entanglement of superpositions [Phys. Rev. Lett. 97, 100502 (2006)] is generalized to the multipartite scenario: an upper bound to the multipartite entanglement of a superposit…
Nonlocality of a single particle
Jacob Dunningham, Vlatko Vedral
There has been a great deal of debate surrounding the issue of whether it is possible for a single photon to exhibit nonlocality. A number of schemes have been proposed that claim…