Atom interferometers have been instrumental in precise measurements of fundamental constants and tests of fundamental laws of physics. But for new tests of the quantum nature of gravity (Carney et al. 2021) and for robust quantum sensing of acceleration and rotation in the field, atom interferometers must have coherences measured in minutes instead of seconds; sizes measured in centimeters instead of meters; and must be robust against vibrations and magnetic fields instead of requiring bulky shielding and vibration isolation. Lattice-hold atom interferometers are a recent addition to the atomic physicists’ toolbox to meet those challenges. We will discuss coherence limits in lattice interferometry at the one-minute scale (Panda, M. Tao, et al. 2024), their accuracy in sensing gravity (Panda, M. J. Tao, et al. 2024), and their robustness to environmental effects (Panda et al. 2023).
