Detection of Weak Force using a Bose-Einstein Condensate

Sonam Mahajan; Tarun Kumar; Aranya B Bhattacherjee; ManMohan

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arXiv · 1209.1336

Detection of Weak Force using a Bose-Einstein Condensate

Sonam Mahajan·Tarun Kumar·Aranya B Bhattacherjee·ManMohan

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Abstract

We investigate the possibility of detecting a weak coherent force by means of a hybrid optomechanical quantum device formed by a Bose Einstein Condensate (BEC) confined in a high quality factor optical cavity with an oscillatory end mirror. We show using the stochastic cooling technique that the atomic two-body interaction can be utilized to cool the mirror and achieve position squeezing essential for making sensitive measurements of weak forces. We further show that the atomic two-body interaction can also increase the signal to noise ratio (SNR) and decrease the noise of the off-resonant stationary spectral measurements.

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Sonam Mahajan, Tarun Kumar, Aranya B Bhattacherjee, ManMohan. 2012-09-06. Detection of Weak Force using a Bose-Einstein Condensate. https://arxiv.org/abs/1209.1336

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