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11 papers · 2 filters
Tripartite non-separability in classical optics
W. F. Balthazar, C. E. R. Souza, D. P. Caetano +3
It is possible to prepare classical optical beams which cannot be characterized by a tensor product of vectors describing each of their degrees of freedom. Here we report the exper…
Non-Markovianity through Multipartite Correlation Measures
Fagner M. Paula, Paola C. Obando, Marcelo S. Sarandy
We provide a characterization of memory effects in non-Markovian system-bath interactions from a quantum information perspective. More specifically, we establish sufficient conditi…
Shortcut to adiabatic gate teleportation
Alan C. Santos, Raphael D. Silva, Marcelo S. Sarandy
We introduce a shortcut to the adiabatic gate teleportation model of quantum computation. More specifically, we determine fast local counterdiabatic Hamiltonians able to implement…
Spin-orbit mode transfer via a classical analog of quantum teleportation
B. Pinheiro da Silva, M. Astigarreta Leal, C. E. R. Souza +2
We translate the quantum teleportation protocol into a sequence of coherent operations involving three degrees of freedom of a classical laser beam. The protocol, which we demonstr…
Superadiabatic Controlled Evolutions and Universal Quantum Computation
Alan C. Santos, Marcelo S. Sarandy
Adiabatic state engineering is a powerful technique in quantum information and quantum control. However, its performance is limited by the adiabatic theorem of quantum mechanics. I…
Thermal entanglement and teleportation in a dipolar interacting system
Cleidson Castro, Oscar Duarte, Diego Pires +2
Quantum teleportation, which depends on entangled states, is a fascinating subject and an important branch of quantum information processing. The present work reports the use of a…