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Shrink, twist, ripple and melt: Stu...

Fernsler, Jonathan G.

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Shrink, twist, ripple and melt: Studies of frustrated liquid crystals.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Shrink, twist, ripple and melt: Studies of frustrated liquid crystals./
Author:	Fernsler, Jonathan G.
Description:	160 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-06, Section: B, page: 2974.
Contained By:	Dissertation Abstracts International65-06B.
Subject:	Physics, Condensed Matter. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3136616
ISBN:	049683813X

Shrink, twist, ripple and melt: Studies of frustrated liquid crystals.
Fernsler, Jonathan G.

Shrink, twist, ripple and melt: Studies of frustrated liquid crystals. - 160 p.

Source: Dissertation Abstracts International, Volume: 65-06, Section: B, page: 2974.

Thesis (Ph.D.)--University of Colorado at Boulder, 2004.

Complex structures can arise out of a simple system with more than one competing influence on its behavior. The protypical example of this is the two-dimensional triangular lattice Ising model. The ferromagnetic model has two simple degenerate ground states of all spins up or down, but the antiferromagnetic model is a frustrated system. Its geometry does not allow satisfaction of the antiferro condition everywhere, which produces complex ordered structures with dimerization of the spins [1]. Without frustration, the complex structures and phase behavior are lost.

ISBN: 049683813XSubjects--Topical Terms:

1018743
Physics, Condensed Matter.

Shrink, twist, ripple and melt: Studies of frustrated liquid crystals.
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020 $a 049683813X
035 $a (UnM)AAI3136616
035 $a AAI3136616
040 $a UnM $c UnM
100 1 $a Fernsler, Jonathan G. $3 1935781
245 1 0 $a Shrink, twist, ripple and melt: Studies of frustrated liquid crystals.
300 $a 160 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-06, Section: B, page: 2974.
500 $a Director: Noel Clark.
502 $a Thesis (Ph.D.)--University of Colorado at Boulder, 2004.
520 $a Complex structures can arise out of a simple system with more than one competing influence on its behavior. The protypical example of this is the two-dimensional triangular lattice Ising model. The ferromagnetic model has two simple degenerate ground states of all spins up or down, but the antiferromagnetic model is a frustrated system. Its geometry does not allow satisfaction of the antiferro condition everywhere, which produces complex ordered structures with dimerization of the spins [1]. Without frustration, the complex structures and phase behavior are lost.
520 $a All of the topics discussed in this thesis concern smectic liquid crystals. Liquid crystals are perhaps uniquely adept at manifesting frustrated phases. Their combination of periodicity in one or more dimensions allows ordered structures, yet their fluid nature in remaining dimensions allows creation of defects and extraordinarily complex structures in ways that a normal crystal could not tolerate. Liquid crystals contain a huge menagerie of frustrated phases and effects including the polarization modulated [2], vortex lattice [3], twist grain boundary [4], and blue [5] phases, as well as frustrated structures such as cholesteric or SmC* helix unwinding [6], defect lattices in thin films [7], and bend melted grain boundary defects [8], arising from boundary conditions and field effects. In this thesis, we study four liquid crystal systems that show unusual phase behavior or complex structures, deriving from the effects of frustration. Frustration, despite some human prejudices against the word, leaves nature all the more interesting and beautiful.
590 $a School code: 0051.
650 4 $a Physics, Condensed Matter. $3 1018743
650 4 $a Physics, Molecular. $3 1018648
690 $a 0611
690 $a 0609
710 2 0 $a University of Colorado at Boulder. $3 1019435
773 0 $t Dissertation Abstracts International $g 65-06B.
790 1 0 $a Clark, Noel, $e advisor
790 $a 0051
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3136616