Implementação de portas lógicas quânticas em condensados de Bose- Einstein acoplados

AUTOR(ES)

Fabricio de Souza Luiz

DATA DE PUBLICAÇÃO

2010

RESUMO

It is well established that the dynamics of two coupled Bose-Einstein condensates (BECs) can be described by using the two-mode Hamiltonian. This model takes into account the trap connement and the eects of collisions associated with each condensate. Other eects, as collision between atoms that belong to dierent BECs and detuning has been included in this approach. In this work, we are interested in atoms condensed on dierent hyperne levels, coupled by a two photons transition. First, we demonstrate that this particular system can be considered a feasible candidate for a qubit. Then, we show the necessary conditions for the implementation of the six most important one-qubit quantum logic gates (NOT, Y, Z, S, T and Hadamard) for quantum information processing.

ASSUNTO(S)

qubit matéria condensada bose-einstein condensate mecânica quântica condensado de bose-einstein fisica portas logicas logic gates

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