论文标题

分子自旋中的相干/不一致的过渡温度

Coherence/incoherence transition temperature in molecular spin

论文作者

Ho, Le Tuan Anh, Ungur, Liviu, Chibotaru, Liviu F.

论文摘要

我们检查了通用分子自旋的相干/不一致转变温度。我们的结果表明,具有高相干/不一致的过渡温度的分子自旋应具有较低的自旋数,轴向较低,或高自旋数和高轴向性。有趣的是,后者比前者更好地保护了磁性噪声,因此是稳健电子基于电子的分子自旋量子/Qudit的最佳候选者。如果存在自旋哈密顿式的大型非轴成分,则可以进一步优化过渡温度。

We examine the coherence/incoherence transition temperature of a generic molecular spin. Our results demonstrates that a molecular spin with a high coherence/incoherence transition temperature should possess a low spin number and low axiality, or high spin number and high axiality. Interestingly, the latter is better protected from the magnetic noises than the former and thus be the best candidate for a robust electron-based molecular spin qubit/qudit. The transition temperature can be further optimized if a large non-axial component of the spin Hamiltonian exists.

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