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8 papers · 2 filters
Experimental boson sampling in arbitrary integrated photonic circuits
A. Crespi, R. Osellame, R. Ramponi +7
Photons naturally solve the BosonSampling problem: sample the outputs of a multi-photon experiment in a linear-optical interferometer. This is strongly believed to be hard to do on…
Compact quantum circuits from one-way quantum computation
Raphael Dias da Silva, Ernesto F. Galvão
In this paper we address the problem of translating one-way quantum computation (1WQC) into the circuit model. We start by giving a straightforward circuit representation of any 1W…
Nonviolation of Bell's Inequality in Translation Invariant Systems
Thiago R. de Oliveira, A. Saguia, M. S. Sarandy
The nature of quantum correlations in strongly correlated systems has been a subject of intense research. In particular, it has been realized that entanglement and quantum discord…
Evidence for entanglement at high temperatures in an engineered molecular magnet
M. S. Reis, S. Soriano, A. M. dos Santos +3
The molecular compound [Fe(-oxo)(CHN)(CO)] was designed and synthesized for the first time and its structure was determined u…
Quantum discord in the ground state of spin chains
Marcelo S. Sarandy, Thiago R. de Oliveira, Luigi Amico
The ground state of a quantum spin chain is a natural playground for investigating correlations. Nevertheless, not all correlations are genuinely of quantum nature. Here we review…
Generalization of Uncertainty Relation for Quantum and Stochastic Systems
T. Koide, T. Kodama
The generalized uncertainty relation applicable to quantum and stochastic systems is derived within the stochastic variational method. This relation not only reproduces the well-kn…