Abstract
Video polarization microscopy, optical diffraction, and digital image analysis have been employed to investigate the transformation of a well-ordered lamellar («smectic») domain phase of ferrimagnetic garnet films into a globally disordered, «labyrinthine» pattern. Surprisingly, in view of the presence of nonlocal interactions, the ensuing pattern evolution in response to temperature-induced strain is characterized, in its first stages, by a (local) transverse elastic response which manifests itself in the form of «smectic» instabilities and generates undulation and chevron («zigzag») patterns
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Schedule a callMore From: Physical review. A, Atomic, molecular, and optical physics
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