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Topological soft matter
Published on Feb 18, 20143684 Views
Topological soft matter is a specific matter where stable or metastable defects in orientational molecular ordering crucially determine its structure. The stabilization of complex topological defects
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Topological soft matter - 100:00
Soft matter03:45
Topological soft matter - 207:10
Outline - 110:11
Motivation: Complexity of topological soft matter for photonics & optics10:56
Motivation: Nontrivial colloidal particles: Some of the recent studies12:00
Motivation: 2D structures: disclination entanglement the clue to nematic braids12:32
Motivation: 3D colloidal structures13:15
Outline - 213:55
Nematic order13:57
Deformed nematic15:03
Topological defects16:02
Landau - De Genners free energy18:49
Achiral and chiral nematic ordering22:43
Visualization24:56
Outline - 326:32
Colloidal dispersions26:36
Particles in homogenous neamtic field28:27
Entangling of particles by disclinations29:17
Local restructuring of dimers30:26
Self-linking number, writhe & twist31:56
Topological charge: Disclination networks33:03
Classification: Nematic colloidal dimers34:34
Stabilizing nematic braids35:35
Knots and links - reconfigurability37:28
Clasification of 2D braids39:03
Outline - 440:26
Opal structure permeated by a nematic40:28
Allowed disclination arrangements in voids41:53
Relaxation: From ansatz to equilibrium42:32
Outline - 544:20
Cholesteric droplets: degenerate planar anchoring46:44
Cholesteric droplets: Homeotropic anchoring - 146:57
Homeotropic cholesteric droplet with a single disclination loop47:42
Cholesteric droplets: Homeotropic anchoring - 349:52
Cholesteric droplets: Homeotropic anchoring - 450:07
Cholesteric droplets: Homeotropic anchoring - 550:28
Cholesteric droplets: Homeotropic anchoring & Short pitch - 151:16
Cholesteric droplets: Homeotropic anchoring & Short pitch - 251:44
Conclusions52:25
Current research53:30
Nontrivial particle - 154:13
Nontrivial particle - 254:20
Nontrivial particle - 354:21
Nontrivial particle - 454:21
Nontrivial particle - 554:22
Nontrivial particle - 654:22
Nontrivial particle - 754:23
Nontrivial particle - 854:37
Nontrivial particle - 954:38
Nontrivial particle - 1054:38
Nontrivial particle - 1154:39
Nontrivial particle - 1254:39
Nontrivial particle - 1354:40
Cholesteric droplets: Homeotropic anchoring - 256:11