论文标题
通过拉姆齐干涉仪在诱捕离子的振动模式下测试因果非线性量子力学的测试
Test of Causal Non-Linear Quantum Mechanics by Ramsey Interferometry on the Vibrational Mode of a Trapped Ion
论文作者
论文摘要
Kaplan和Rajendran最近证明，非线性和状态依赖性项可以始终添加到量子场理论中，以产生量子力学中的因果非线性时间演变。因果非线性理论具有不可避免的特征，即它们的量子效应对系统的量子状态的全部物理传播非常敏感。结果，常规原子和核谱法不能很好地检验这些理论。通过使用$^{40} $ ca $^+$离子的振动模式的良好控制叠加，我们将无用的缩放因子$ \tildeε_γ$的幅度设置为$ 5.4 \ times 10^{ - 12} $，以预测的causal causal，非限制。
Kaplan and Rajendran have recently demonstrated that non-linear and state-dependent terms can be consistently added to quantum field theory to yield causal non-linear time evolution in quantum mechanics. Causal non-linear theories have the unavoidable feature that their quantum effects are dramatically sensitive to the full physical spread of the quantum state of the system. As a result, such theories are not well tested by conventional atomic and nuclear spectroscopy. By using a well-controlled superposition of vibrational modes of a $^{40}$Ca$^+$ ion trapped in a harmonic potential, we set a stringent limit of $5.4\times 10^{-12}$ on the magnitude of the unitless scaling factor $\tildeε_γ$ for the predicted causal, non-linear perturbation.
