Abstract
We discuss an hypothesis wherein single-bubble sonoluminescence is attributed to electrical breakdown due to large pressure gradients existing for small bubble radii. These large gradients produce large electric fields (the flexoelectric effect) that lead to electrical breakdown, releasing energies up to 10−10 J, which is much larger than the light energy released in each cycle. This hypothesis appears to be consistent with several observations made in studies of the sonoluminescence process.
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Pis’ma Zh. Éksp. Teor. Fiz. 64, No. 12, 849–852 (25 December 1996)
Published in English in the original Russian journal. Edited by Steve Torstreit.
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García, N., Levanyuk, A.P. Sonoluminescence: A new electrical breakdown hypothesis. Jetp Lett. 64, 907–910 (1996). https://doi.org/10.1134/1.567246
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DOI: https://doi.org/10.1134/1.567246