利用固态量子传感器对奇异自旋-自旋-速度依赖相互作用的新约束
New Constraints on Exotic Spin-Spin-Velocity-Dependent Interactions with Solid-State Quantum Sensors
AI总结：
本研究利用双金刚石NV系综固态量子传感器，通过相干操控量子态与微米级相对速度，在短力程内检验电子自旋间的奇异自旋-自旋-速度依赖相互作用，为T破坏的V6和P,T破坏的V14相互作用耦合系数设定了新界限。
摘要：
我们报告了关于电子自旋之间奇异自旋-自旋-速度依赖相互作用的最新实验结果。我们设计了一套精密的实验装置，配备了两套金刚石中的氮-空位（NV）系综。其中一个NV系综作为自旋源，另一个作为自旋传感器。通过相干操控两个NV系综的量子态及其微米尺度的相对速度，我们得以在短力程范围内仔细检验奇异的自旋-自旋-速度依赖相互作用。对于破坏T对称的相互作用V6，已在小于1厘米的力程下对相应耦合系数f6设定了新界限。对于破坏P,T对称的相互作用V14，已在小于1公里的力程下对相应耦合系数f14获得了新约束。
英文摘要：
We report new experimental results on exotic spin-spin-velocity-dependent interactions between electron spins. We designed an elaborate setup that is equipped with two nitrogen-vacancy (NV) ensembles in diamonds. One of the NV ensembles serves as the spin source, while the other functions as the spin sensor. By coherently manipulating the quantum states of two NV ensembles and their relative velocity at the micrometer scale, we are able to scrutinize exotic spin-spin-velocity-dependent interactions at short force ranges. For a T-violating interaction, $V_6$, new limits on the corresponding coupling coefficient, $f_6$, have been established for the force range shorter than 1 cm. For a P,T-violating interaction, $V_{14}$, new constraints on the corresponding coupling coefficient, $f_{14}$, have been obtained for the force range shorter than 1 km.
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