Following the proposal by F. Yamaguchi et al.[Phys. Rev. A 66, 010302 (R)(2002)], we present an alternative way to implement the two-qubit Grover searchalgorithm in cavity QED. Compared with F. Yamaguchi et al.'s proposal, with astrong resonant classical field added, our method is insensitive to both thecavity decay and thermal field, and doesn't require that the cavity remain inthe vacuum state throughout the procedure. Moreover, the qubit definitions arethe same for both atoms, which makes the experiment easier. The strictlynumerical simulation shows that our proposal is good enough to demonstrate atwo-qubit Grover's search with high fidelity.
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机译：遵循F. Yamaguchi等人的建议[Phys。 Rev. A 66，010302（R）（2002）]，我们提出了在腔体QED中实现二量子位Grover搜索算法的另一种方法。与F. Yamaguchi等人的建议相比，添加了强共振经典场，我们的方法对腔衰变和热场均不敏感，并且不需要在整个过程中将腔保持在真空状态。此外，两个原子的量子位定义相同，这使实验更加容易。严格的数值模拟表明，我们的建议足以证明高保真度的二比特格罗弗搜索。
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