## “School of Physics”

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Paper   IPM / P / 6673
School of Physics
Title:   Rayleigh-Taylor Instability in Presence of Density Transition Layer
Author(s):
 1 A. Tavakoli 2 D.D. Tskhakaya 3 N.L. Tsintsadze
Status:   Published
Journal: Phys. Lett. A
No.:  52
Vol.:  256
Year:  1999
Pages:   212-216
Supported by:  IPM
Abstract:
New type of symmetry for the Rayleigh equation is found. For small Atwood number an analytic solution is obtained for a smoothly varying density profile. The spectrum of unstable modes are defined. It is shown that a transition layer with finite width can undergo stratification, and velocity shear between new-formed sublayers forms.

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