| Summary: | The main advantage of an atomic accelerometer when compared to a classical
accelerometer is negligible bias drift, allowing for stable long-term
measurements, which opens the potential application in navigation. This
negligible drift arises from the fact that the measurements can be traced back
to natural constants, and the system is intrinsically stable due to the simple
design. In this manuscript, we extend this property of long-term stability to
gyroscopic measurements by considering an array of atomic accelerometers, and
comparing the performance to atomic gyroscopes, which are technologically more
prone to bias drifts. We demonstrate that an array consisting of four
three-axis atomic accelerometers can outperform state of the art atomic
gyroscopes with respect to long-term stability.
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