Sonoluminescence: Two-photon correlations as a test of thermality
نویسندگان
چکیده
F. Belgiorno1,‡, S. Liberati2,†, Matt Visser3,¶, and D.W. Sciama2,4,5,§ 1 Università degli Studi di Milano, Dipartimento di Fisica, Via Celoria 16, 20133 Milano, Italy 2 International School for Advanced Studies, Via Beirut 2-4, 34014 Trieste, Italy 3 Physics Department, Washington University, Saint Louis MO 63130-4899, USA 4 International Center for Theoretical Physics, Strada Costiera 11, 34014 Trieste, Italy 5 Physics Department, Oxford University, Oxford, England (2 April 1999; Printed April 7, 1999)
منابع مشابه
Bose-Einstein Correlations and Sonoluminescence
Sonoluminescence may be studied in detail by intensity correlations among the emitted photons. As an example, we discuss an experiment to measure the size of the light-emitting region by the Hanbury Brown-Twiss effect. We show that single bubble sonoluminescence is almost ideally suited for study by this method and that plausible values for the physical parameters are within easy experimental r...
متن کاملua nt - p h / 96 05 03 6 v 1 2 7 M ay 1 99 6 Bose - Einstein Correlations and Sonoluminescence
Sonoluminescence may be studied in detail by intensity correlations among the emitted photons. As an example, we discuss an experiment to measure the size of the light-emitting region by the Hanbury Brown-Twiss effect. We show that single bubble sonoluminescence is almost ideally suited for study by this method and that plausible values for the physical parameters are within easy experimental r...
متن کاملTheory of quantum radiation observed as sonoluminescence.
Sonoluminescence is explained in terms of quantum radiation by moving interfaces between media of different polarizability. In a stationary dielectric the zero-point fluctuations of the electromagnetic field excite virtual two-photon states, which become real under perturbation due to motion of the dielectric. The sonoluminescent bubble is modeled as an optically empty cavity in a homogeneous d...
متن کاملSonoluminescence as a QED vacuum effect: probing Schwinger’s proposal
Several years ago Schwinger proposed a physical mechanism for sonoluminescence in terms of photon production due to changes in the properties of the quantum-electrodynamic (QED) vacuum arising from a collapsing dielectric bubble. This mechanism can be re-phrased in terms of the Casimir effect and has recently been the subject of considerable controversy. This paper probes Schwinger’s suggestion...
متن کاملSingle-bubble sonoluminescence in air-saturated water.
Single bubble sonoluminescence (SBSL) is realized in air-saturated water at ambient pressure and room temperature. The behavior is similar to SBSL in degassed water, but with a higher spatial variability of the bubble position. A detailed view on the dynamics of the bubbles shows agreement between calculated shape stability borders but differs slightly in the equilibrium radii predicted by a ma...
متن کامل