论文标题
磁力计对外来自旋依赖性相互作用的实验限制
Experimental Constraints on Exotic Spin-Dependent Interactions by a Magnetometer with Ensembles of Nitrogen-Vacancy Centers in Diamond
论文作者
论文摘要
通过磁力仪的磁力计建立了对外来自旋依赖性相互作用的改进约束，并在钻石中具有氮呈（NV）中心的磁力计。 NV电子自旋组合的薄层被用作传感器，并将铅球作为核子的来源。通过通过传感器检测可能的有效磁场来探索外来自旋依赖性的相互作用。异国情调奇异的旋转旋转和速度依赖性相互作用的严格边界设置在力范围内5至500 $μ$ m。相应耦合常数的上限，$ g_a^eg_v^n $，在330 $ $ m时提高了三个以上的数量级以上。改进的约束$ p，t $ accrating标量符号核子 - 电子相互作用在6至45 $μ$ m的范围内建立。相应耦合常数的极限，$ g_s^ng_p^e $，在30 $ $ m时提高了一个以上的数量级。我们的结果表明，具有NV集合的磁力计可能是探测外来旋转依赖性相互作用的强大平台。
Improved constraints on exotic spin-dependent interactions are established at the micrometer scale by a magnetometer with ensembles of nitrogen-vacancy (NV) centers in diamond. A thin layer of NV electronic spin ensembles is utilized as the sensor, and a lead sphere is taken as the source of the nucleons. The exotic spin-dependent interactions are explored by detecting the possible effective magnetic fields by the sensor. Stringent bounds on an exotic parity-odd spin- and velocity-dependent interaction are set within the force range from 5 to 500 $μ$m. The upper limit of the corresponding coupling constant, $g_A^eg_V^N$, is improved by more than three orders of magnitude at 330 $μ$m. Improved constraints of $P, T$-violating scalar-pseudoscalar nucleon-electron interactions, are established within the force range from 6 to 45 $μ$m. The limit of the corresponding coupling constant, $g_S^Ng_P^e$, is improved by more than one order of magnitude at 30 $μ$m. Our result shows that a magnetometer with a NV ensemble can be a powerful platform for probing exotic spin-dependent interactions.
