论文标题
原子干涉仪和一般相对论的小规模检验
Atom interferometers and a small-scale test of general relativity
论文作者
论文摘要
自1916年首次出现一般相对论以来,已经进行了各种实验来检验该理论。由于所涉及的相互作用的弱点,所有记录的测试都是在天文尺度的物体产生的引力场中进行的。我们提出了一个实验的想法,该实验可以在实验室生成的重力场中检测纯粹的普通关系效应。结果表明,一组密集的快速旋转缸产生的框架拖拉效果足以与下一代原子干涉仪的可观察范围相距两个数量级。计算由于弱场极限中均匀的旋转轴对称体引起的度量张量,并得出了干涉仪的相移公式。本文旨在证明该概念的可行性,并刺激对一般相对性低规模实验领域的进一步研究。这绝不是完全开发的实验建议。
Since the first appearance of general relativity in 1916, various experiments have been conducted to test the theory. Due to the weakness of the interactions involved, all of the documented tests were carried out in a gravitational field generated by objects of an astronomical scale. We propose an idea for an experiment that could detect purely general-relativistic effects in a lab-generated gravitational field. It is shown that a set of dense rapidly-revolving cylinders produce a frame-dragging effect substantial enough to be two orders of magnitude away from the observable range of the next generation of atomic interferometers. The metric tensor due to a uniform rotating axisymmetric body in the weak-field limit is calculated and the phase shift formula for the interferometer is derived. This article is meant to demonstrate feasibility of the concept and stimulate further research into the field of low-scale experiments in general relativity. It is by no means a fully developed experiment proposal.