YbCu、YbAg和YbAu中的$\mathcal{P,T}$-odd效应
$\mathcal{P,T}$-odd effects in YbCu, YbAg and YbAu
AI总结：
本工作利用相对论耦合簇方法计算了YbCu、YbAg和YbAu基态中$\mathcal{P,T}$-odd相互作用的分子增强因子，给出了带不确定性的推荐值并分析了决定其大小的电子结构效应。
摘要：
本工作计算了双金属分子YbCu、YbAg和YbAu基态中涉及电子电偶极矩（$W_\mathrm{d}$）和标量-赝标量核子-电子耦合（$W_\mathrm{s}$）的$\mathcal{P,T}$-odd相互作用的分子增强因子。这些系统为通过结合激光冷却原子来创造冷分子提供了有前景的平台。计算采用了相对论耦合簇方法，并进行了彻底的不确定性分析，为所得数值提供了准确可靠的误差。此外，深入研究了决定计算增强因子大小的不同电子结构效应，并比较了计算$W_\mathrm{d}$的两种不同方案。YbCu、YbAg和YbAu的$W_\mathrm{d}$增强因子推荐值分别为$(13.24\pm0.03)\times10^{24}\frac{h\\,\text{Hz}}{e\\,\text{cm}}$、$(12.15\pm0.08)\times10^{24}\frac{h\\,\text{Hz}}{e\\,\text{cm}}$和$(2.13\pm0.28)\times10^{24}\frac{h\\,\text{Hz}}{e\\,\text{cm}}$，$W_\mathrm{s}$推荐值分别为$(-48.36\pm0.18)\\;h\\,\text{kHz}$、$(-45.51\pm0.43)\\;h\\,\text{kHz}$和$(5.31\pm1.80)\\;h\\,\text{kHz}$。
英文摘要：
In this work, the molecular enhancement factors of the $\mathcal{P,T}$-odd interactions involving the electron electric dipole moment ($W_\mathrm{d}$) and the scalar-pseudoscalar nucleon-electron couplings ($W_\mathrm{s}$) are computed for the ground state of the bimetallic molecules YbCu, YbAg and YbAu. These systems offer a promising venue for creating cold molecules by associating laser cooled atoms. The relativistic coupled-cluster approach is used in the calculations and a thorough uncertainty analysis is performed to give accurate and reliable uncertainties to the obtained values. Furthermore, an in-depth investigation of the different electronic structure effects that determine the magnitude of the calculated enhancement factors is carried out, and two different schemes for computing $W_\mathrm{d}$ are compared. The recommended values for the enhancement factors are $(13.24\pm0.03)\times10^{24}\frac{h\,\text{Hz}}{e\,\text{cm}}$, $(12.15\pm0.08)\times10^{24}\frac{h\,\text{Hz}}{e\,\text{cm}}$ and $(2.13\pm0.28)\times10^{24}\frac{h\,\text{Hz}}{e\,\text{cm}}$ for $W_\mathrm{d}$, and $(-48.36\pm0.18)\;h\,\text{kHz}$, $(-45.51\pm0.43)\;h\,\text{kHz}$ and $(5.31\pm1.80)\;h\,\text{kHz}$ for $W_\mathrm{s}$, for YbCu, YbAg and YbAu, respectively.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
