Browsing Research Articles (Physics) by Author "Fialkov, Anastasia"
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Extracting the global signal from 21-cm fluctuations: the multitracer approach
Jarvis, Matt; Fialkov, Anastasia; RBarkana, ennan (Oxford University Press, 2019)The multitracer technique employs a ratio of densities of two differently biased galaxy samples that trace the same underlying matter density field, and was proposed to alleviate the cosmic variance problem. Here, we propose ...