157 citations · 1k across the 21 of their papers we have counts for
6 papers · 1 filter
Quantum state tomography and quantum logical operations in a three qubits NMR quadrupolar system
A. G. Araujo-Ferreira, Carlos Alexandre Brasil, D. O. Soares-Pinto +3
In this work, we present an implementation of quantum logic gates and algorithms in a three effective qubits system, represented by a (I = 7/2) NMR quadrupolar nuclei. To implement…
Nuclear Spin 3=2 Electric Quadrupole Relaxation as a Quantum Computation
A. M. Souza, A. Gavini-Viana, I. S. Oliveira +5
In this work we applied a quantum circuit treatment to describe the nuclear spin relax- ation. From the Redfield theory, we were able to describe the quadrupolar relaxation as a co…
Environment-induced sudden transition in quantum discord dynamics
R. Auccaise, L. C. Celeri, D. O. Soares-Pinto +7
Non-classical correlations play a crucial role in the development of quantum information science. The recent discovery that non-classical correlations can be present even in separa…
Writing electronic ferromagnetic states in a high-temperature paramagnetic nuclear spin system
D. O. Soares-Pinto, J. Teles, A. M. Souza +5
In this paper we use the Nuclear Magnetic Resonance (NMR) to write eletronic states of a ferromagnetic system into a high-temperature paramagnetic nuclear spins. Through the contro…
Experimentally Witnessing the Quantumness of Correlations
R. Auccaise, J. Maziero, L. C. Celeri +6
The quantification of quantum correlations (other than entanglement) usually entails laboured numerical optimization procedures also demanding quantum state tomographic methods. Th…
Equivalence between Redfield and master equation approaches for a time-dependent quantum system and coherence control
D. O. Soares-Pinto, M. H. Y. Moussa, J. Maziero +4
We present a derivation of the Redfield formalism for treating the dissipative dynamics of a time-dependent quantum system coupled to a classical environment. We compare such a for…