Tuesday, June 18, 2013

1306.3591 (S. K. Lamoreaux et al.)

Analysis of single-photon, squeezed-state and linear amplifier detectors
for microwave cavity dark matter axion searches

S. K. Lamoreaux, K. A. van Bibber, K. W. Lehnert, G. Carosi
We show that at higher frequencies, and thus higher axion masses, single-photon detectors become competitive and ultimately favored, when compared to quantum-limited linear amplifiers, as the detector technology in microwave cavity experimental searches for galactic halo dark matter axions. The cross-over point in this comparison is of order 10 GHz ($\sim 40\ \mu$eV), not far above the frequencies of current searches.
View original: http://arxiv.org/abs/1306.3591

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