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Theory of Light Emission in Sonoluminescence as Thermal Radiation | | Wang-Kong Tse
; P.T. Leung
; | | Date: |
14 Jun 2006 | | Journal: | Phys. Rev. E 73, 056302 (2006) | | Subject: | Soft Condensed Matter | | Abstract: | Based on the model proposed by Hilgenfeldt {it at al.} [Nature {f 398}, 401 (1999)], we present here a comprehensive theory of thermal radiation in single-bubble sonoluminescence (SBSL). We first invoke the generalized Kirchhoff’s law to obtain the thermal emissivity from the absorption cross-section of a multilayered sphere (MLS). A sonoluminescing bubble, whose internal structure is determined from hydrodynamic simulations, is then modelled as a MLS and in turn the thermal radiation is evaluated. Numerical results obtained from simulations for argon bubbles show that our theory successfully captures the major features observed in SBSL experiments. | | Source: | arXiv, cond-mat/0606359 | | Services: | Forum | Review | PDF | Favorites | |
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