Journal ArticleDOI
The structure and energetics of defects in liquid crystals
S. Chandrasekhar,G. S. Ranganath +1 more
TLDR
In this article, a systematic account of the structures, energies and interactions of defects in the nematic, smectic, cholesteric and discotic phases of liquid crystals is presented.Abstract:
The study of defects in ordered media has become a subject of considerable interest to condensed matter physicists in recent years. This article presents a systematic account of the structures, energies and interactions of defects in the nematic, smectic, cholesteric and discotic phases of liquid crystals. Relevant experimental observations are also described.read more
Citations
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Physics of colloidal dispersions in nematic liquid crystals
TL;DR: In this article, the physics of colloidal dispersions in nematic liquid crystals is reviewed and three possible structures are identified and discussed in detail; the dipole, the Saturn-ring and the surface-ring configuration.
Journal ArticleDOI
Pattern dynamics in spatiotemporal chaos: Pattern selection, diffusion of defect and pattern competition intermettency
Kunihiko Kaneko,Kunihiko Kaneko +1 more
TL;DR: In this article, a class of coupled map lattices is investigated as a model for the spatiotemporal chaos, and pattern selection through the chaotic motion of domain is observed, where localized defects which separate the two anti-phase domains are found.
Journal ArticleDOI
Condensed phases of DNA: Structures and phase transitions
Journal ArticleDOI
Supergravity Domain Walls
Mirjam Cvetič,Harald H. Soleng +1 more
TL;DR: In this paper, the authors review the status of domain walls in N = 1 supergravity theories for the vacuum domain walls as well as dilatonic domain walls and provide a systematic analysis of the space-time in these domain wall backgrounds and the special role that supersymmetry is playing in determining the nature of such configurations.
Journal ArticleDOI
The Cosmological Kibble Mechanism in the Laboratory: String Formation in Liquid Crystals
TL;DR: The number of strings formed per bubble is about 0.6 as mentioned in this paper, which is in reasonable agreement with a numerical simulation of the experiment in which the Kibble mechanism is used for the order parameter space of a uniaxial nematic liquid crystal.
References
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Journal ArticleDOI
The topological theory of defects in ordered media
TL;DR: Aspects of the theory of homotopy groups are described in a mathematical style closer to that of condensed matter physics than that of topology in this paper, where the focus is on mathematical pedagogy rather than on a systematic review of applications.
Journal ArticleDOI
Liquid crystals of disc-like molecules
TL;DR: Based on the x-ray data, a structure is proposed in which the discs are stacked one on top of the other in columns that constitute a hexagonal arrangement, but the spacing between the discs in each column is irregular as discussed by the authors.