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- A M Souza, A Magalhães, J Teles, E R Deazevedo, T J Bonagamba, I S Oliveira +1 other
- 2008

In this paper we present an analog of the Bell's inequalities violation test for N qubits to be performed in a nuclear magnetic resonance (NMR) quantum computer. This can be used to simulate or predict results for different Bell's inequalities tests, with distinct configurations and larger number of qubits. To demonstrate our scheme, we implemented a… (More)

- F Anvari Vind, A Foerster, I S Oliveira, R S Sarthour, D O Soares-Pinto, A M Souza +1 other
- Scientific reports
- 2016

The Yang-Baxter equation is an important tool in theoretical physics, with many applications in different domains that span from condensed matter to string theory. Recently, the interest on the equation has increased due to its connection to quantum information processing. It has been shown that the Yang-Baxter equation is closely related to quantum… (More)

Memoryless time evolutions are ubiquitous in nature but often correspond to a resolution-induced approximation, i.e. there are correlations in time whose effects are undetectable. Recent advances in the dynamical control of small quantum systems provide the ideal scenario to probe some of these effects. Here we experimentally demonstrate the precise… (More)

- L M Aguilar, P C Garcia, Quijas R Auccaise, See A M Souza, E R De Azevedo, W-S Bao +167 others
- 2011

All mutually unbiased bases in dimensions two to five (9&10) 803 M. Limitations on the simulation of non-sparse … (7&8) 669 S.K. Choudhary, Hardy's non-locality and generalized non-local theory (9&10) 859 A. Denney, Finding conjugate stabilizer subgroups in PSL and … (3&4) 282 H. Dinh, Quantum and randomized lower bounds for local search on … (7&8) 636 R.… (More)

In this work we applied a quantum circuit treatment to describe the nuclear spin relaxation. From the Redfield theory, we were able to describe the quadrupolar relaxation as a computational process in the case of spin 3/2 systems, through a model in which the environment is comprised by five qubits and three different quantum noise channels. The interaction… (More)

- A M Souza, I Ferraretto
- Arquivos de neuro-psiquiatria
- 1992

With the objective of studying the prognosis for walking in children with cerebral palsy a retrospective survey of 100 children being treated at the Associação de Assistência à Criança Defeituosa was made during the period from 1979 to 1988. The following parameters were analysed: (1) degree of motor dysfunction; (2) age of acquisition of sitting balance;… (More)

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