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https://hdl.handle.net/2440/88048
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Type: | Journal article |
Title: | Resonant regeneration in the sub-quantum regime - a demonstration of fractional quantum interference |
Author: | Hartnett, J. Jaeckel, J. Povey, R. Tobar, M. |
Citation: | Physics Letters B: Nuclear Physics and Particle Physics, 2011; 698(5):346-352 |
Publisher: | Elsevier Science BV |
Issue Date: | 2011 |
ISSN: | 0370-2693 1873-2445 |
Statement of Responsibility: | John G. Hartnett, Joerg Jaeckel, Rhys G. Povey, Michael E. Tobar |
Abstract: | Light shining through wall experiments (in the optical as well as in the microwave regime) are a powerful tool to search for light particles coupled very weakly to photons such as axions or extra hidden sector photons. Resonant regeneration, where a resonant cavity is employed to enhance the regeneration rate of photons, is one of the most promising techniques to improve the sensitivity of the next generation of experiments. However, doubts have been voiced if such methods work at very low regeneration rates where on average the cavity contains less than one photon. In this Letter we report on a demonstration experiment using a microwave cavity driven with extremely low power, to show that resonant amplification works also in this regime. In accordance with standard quantum mechanics this is a demonstration that interference also works at the level of less than one quantum. As an additional benefit this experiment shows that thermal photons inside the cavity cause no adverse effects. |
Keywords: | Low energy particle physics Light shining through walls experiments Tests of quantum interference Microwave cavities |
Rights: | © 2011 Elsevier B.V. Open access under CC BY license. |
DOI: | 10.1016/j.physletb.2011.03.022 |
Grant ID: | http://purl.org/au-research/grants/arc/DP1092690 http://purl.org/au-research/grants/arc/DP1092690 |
Published version: | http://dx.doi.org/10.1016/j.physletb.2011.03.022 |
Appears in Collections: | Aurora harvest 2 Physics publications |
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hdl_88048.pdf | Published version | 505.89 kB | Adobe PDF | View/Open |
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