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Type: Artigo de periódico
Title: Asymmetry in the Brillouin spectra of organic fluids exposed to a temperature gradient
Author: Suave, RN
deCastro, ARB
Abstract: We describe measurements of Brillouin intensity asymmetry induced by an applied temperature gradient in liquid samples characterized by a high derivative of the refractive index with respect to the temperature. We have used two liquids of distinct polar nature, benzene and isopropyl alcohol, and we have avoided finite-size and nonlinearity effects. The data are in good agreement with existing linear nonequilibrium statistical theories. The results suggest a general behavior of the effect in fluids, not related to their molecular structure.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.53.5330
Date Issue: 1996
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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