Atom interferometers have been developed in the last three decades as new powerful tools to investigate gravity. They were used for measuring the gravity acceleration, the gravity gradient, and the gravity-field curvature, for the determination of the gravitational constant, for the investigation of gravity at microscopic distances, to test the equivalence principle of general relativity and the theories of modified gravity, to probe the interplay between gravitational and quantum physics and to test quantum gravity models, to search for dark matter and dark energy, and they were proposed as new detectors for the observation of gravitational waves. Here I describe past and ongoing experiments with an outlook on what I think are the main prospects in this field and the potential to search for new physics.

原子干涉仪是在过去三年中开发出来的，作为研究引力的新的强大工具。它们被用于测量重力加速度、重力梯度和重力场曲率，确定重力常数，研究微观距离的重力，检验广义相对论的等效原理和修正的理论。引力，探测引力和量子物理学之间的相互作用，测试量子引力模型，寻找暗物质和暗能量，它们被提议作为观测引力波的新探测器。在这里，我描述了过去和正在进行的实验，并展望了我认为该领域的主要前景以及寻找新物理学的潜力。