Can I read Coalescence of Holes in Two-dimensional Free-standing Smectic Films on EtoBox?

Coalescence of Holes in Two-dimensional Free-standing Smectic Films by P. V. Dolganov; N. S. Shuravin; V. K. Dolganov is a Physics and Astronomy article available to read on EtoBox.

What is Coalescence of Holes in Two-dimensional Free-standing Smectic Films about?

We investigate in free-standing smectic films coalescence of holes (circular regions with thickness smaller than the surrounding film). This process can be considered as a two-dimensional analog of coalescence of bubbles in a three-dimensional fluid. A high speed video camera was used to study the evolution of domains at different stages of coalescence. Special attention was given to investigations of the dependence of the size of the bridge between two holes at the initial stage of coalescence, which was considered in numerous theoretical works and bears information on the coalescence mechanism. It is established that the scaling law is applicable for the description of the transformation of bridges for holes of different radius R. We found that in the regime corresponding to the experimental situation the length of the bridge H increases with the scaling law H/R=(t/τ\_{R})^{1/2}. The characteristic time τ\_{R} determined from the scaling law is larger than the theoretical time, which can be connected with dissipation of energy both in the film and inside the holes.

Who reads Coalescence of Holes in Two-dimensional Free-standing Smectic Films?

Author

P. V. Dolganov; N. S. Shuravin; V. K. Dolganov

Publisher

The American Physical Society; American Physical Society; American Physical Society (APS) (ISSN 1063-651X)

Published

2020

Language

EN

Field

Physics and Astronomy (Physical Sciences)