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Abstract
It is known that haloscopes that search for dark matter axions via the axionphoton anomaly are also sensitive to gravitational radiation through the inverse Gertsenshtein effect. Recently this way of searching for high frequency gravitational waves has gained momentum as it has been shown that the strain sensitivity of such detectors, are of the same order of sensitivity to the axionphoton theta angle. Thus, after calculating the sensitivity of a haloscope to an axion signal, we also have calculated the order of magnitude sensitivity to a gravitational wave signal of the same spectral and temporal form. However, it is unlikely that a gravitational wave and an axion signal will be of the same form, since physically the way the signals are generated are completely different. For gravitational wave detection, the spectral strain sensitivity is in units strain per square root Hz, is the natural way to compare the sensitivity of gravitational wave detectors due to its independence on the gravitational wave signal. In this work, we introduce a systematic way to calculate the spectral sensitivity of an axion haloscope, so instrument comparison may be achieved independent of signal assumptions and only depends on the axion to signal transduction sensitivity and noise in the instrument. Thus, the calculation of the spectral sensitivity not only allows the comparison of dissimilar axion detectors independent of signal, but also allows us to compare the order of magnitude gravitational wave sensitivity in terms of spectral strain sensitivity, allowing comparisons to standard gravitational wave detectors based on optical interferometers and resonantmass technology.
Original language  English 

Article number  2165 
Number of pages  16 
Journal  Symmetry 
Volume  14 
Issue number  10 
DOIs  
Publication status  Published  Oct 2022 
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 2 Active

Centre of Excellence for Dark Matter Particle Physics
Barberio, E., Williams, A., Bell, N., Stuchbery, A., Tobar, M., Boehm, C. & Wallner, A.
1/01/20 → 31/12/26
Project: Research

ARC Centre of Excellence for Engineered Quantum Systems (EQuS 2017)
White, A., Doherty, A., Biercuk, M., Bowen, W., Milburn, G., Tobar, M., Volz, T. & McFerran, J.
1/01/18 → 31/12/24
Project: Research