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Multipartite entanglement percolation
S. Perseguers, D. Cavalcanti, G. J. Lapeyre +2
We present percolation strategies based on multipartite measurements to propagate entanglement in quantum networks. We consider networks spanned on regular lattices whose bonds cor…
Quantum complex networks
S. Perseguers, M. Lewenstein, A. Acín +1
In recent years, new algorithms and cryptographic protocols based on the laws of quantum physics have been designed to outperform classical communication and computation. We show t…
Searching for extremal PPT entangled states
Remigiusz Augusiak, Janusz Grabowski, Marek Kuś +1
We study extremality in various sets of states that have positive partial transposes. One of the tools we use for this purpose is the recently formulated criterion allowing to judg…
Towards measurable bounds on entanglement measures
Remigiusz Augusiak, Maciej Lewenstein
While the experimental detection of entanglement provides already quite a difficult task, experimental quantification of entanglement is even more challenging, and has not yet been…
Dilute gas of ultracold two-level atoms inside a cavity; generalized Dicke model
Jonas Larson, Maciej Lewenstein
We consider a gas of ultracold two-level atoms confined in a cavity, taking into account for atomic center-of-mass motion and cavity mode variations. We use the generalized Dicke m…