3 years ago

Searching for stochastic background of ultra-light fields with atomic sensors.

Tigran Kalaydzhyan, Nan Yu

We propose a cross-correlation method for the searches of ultra-light fields, in particular, with a space network of atomic sensors. The main motivation of the approach is cancellation of uncorrelated noises in the observation data and unique pattern the fields leave on the cross-spectrum, depending on their nature (i.e., scalar, vector or tensor). In particular, we analytically derive a dependence of the cross-spectrum on the angle between two pairs of detectors. We then confirm obtained angular curves with a numerical simulation. We imply application of the method to the detection of dark matter and gravitational waves.

Publisher URL: http://arxiv.org/abs/1801.07577

DOI: arXiv:1801.07577v1

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