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5 papers · 2 filters
Experimental demonstration of information to energy conversion in a quantum system at the Landauer Limit
John P. P. Silva, Roberto S. Sarthour, Alexandre M. Souza +5
Landauer's principle sets fundamental thermodynamical constraints for classical and quantum information processing, thus affecting not only various branches of physics, but also of…
Experimental determination of multipartite entanglement with incomplete information
G. H. Aguilar, S. P. Walborn, P. H. Souto Ribeiro +1
Multipartite entanglement is very poorly understood despite all the theoretical and experimental advances of the last decades. Preparation, manipulation and identification of this…
Perfect transfer of quantum states in a network of harmonic oscillators
Dirceu Portes, Hilario Rodrigues, Sergio B. Duarte +1
This work presents an exactly soluble scheme to address the problem of optimal transfer of quantum states through a set of harmonic oscillators composing a network with connect…
Systematic Construction of Genuine Multipartite Entanglement Criteria using Uncertainty Relations
A. Saboia, A. T. Avelar, S. P. Walborn +1
A general procedure to construct criteria for identifying genuine multipartite continuous variable entanglement is presented. It relies on the proper definition of adequate global…
Solitons and entanglement in the double sine-Gordon model
A. Alonso Izquierdo, J. Mateos Guilarte, N. G. de Almeida
The bipartite ground state entanglement in a finite linear harmonic chain of particles is numerically investigated. The particles are subjected to an external on-site periodic pote…