0102122v1

related topics
{trap, ion, state}
{state, phys, rev}
{qubit, qubits, gate}
{algorithm, log, probability}
{state, algorithm, problem}
{time, decoherence, evolution}
{cos, sin, state}
{spin, pulse, spins}
{entanglement, phys, rev}

Grover search with pairs of trapped ions

Mang Feng

abstract: The desired interference required for quantum computing may be modified by the wave function oscillations for the implementation of quantum algorithms[Phys.Rev.Lett.84(2000)1615]. To diminish such detrimental effect, we propose a scheme with trapped ion-pairs being qubits and apply the scheme to the Grover search. It can be found that our scheme can not only carry out a full Grover search, but also meet the requirement for the scalable hot-ion quantum computing. Moreover, the ion-pair qubits in our scheme are more robust against the decoherence and the dissipation caused by the environment than single-particle qubits proposed before.

oai_identifier:
oai:arXiv.org:quant-ph/0102122
categories:
quant-ph
comments:
RevTex
doi:
10.1103/PhysRevA.63.052308
arxiv_id:
quant-ph/0102122
created:
2001-02-23

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