Passive retrieval of Rayleigh waves in disordered elastic media.

نویسندگان

  • Eric Larose
  • Arnaud Derode
  • Dominique Clorennec
  • Ludovic Margerin
  • Michel Campillo
چکیده

When averaged over sources or disorder, cross correlation of diffuse fields yields the Green's function between two passive sensors. This technique is applied to elastic ultrasonic waves in an open scattering slab mimicking seismic waves in the Earth's crust. It appears that the Rayleigh wave reconstruction depends on the scattering properties of the elastic slab. Special attention is paid to the specific role of bulk to Rayleigh wave coupling, which may result in unexpected phenomena, such as a persistent time asymmetry in the diffuse regime.

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عنوان ژورنال:
  • Physical review. E, Statistical, nonlinear, and soft matter physics

دوره 72 4 Pt 2  شماره 

صفحات  -

تاریخ انتشار 2005