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Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis ‘06 Techniques for the Visualization of Topological Defect Behavior in Nematic Liquid Crystals
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Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Mar 27, 2015

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Page 1: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw

Vis ‘06

Techniques for the Visualization of Topological Defect Behavior in Nematic Liquid Crystals

Page 2: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Liquid crystal basics

T

long organic molecules; model as rods or ellipsoids

Uniaxial nematicIsotropic

Page 3: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

P1/2

Topological defects in nematics: line defects

32

1

P13

2-1/2

coren̂

Page 4: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

P

+1/2

2D slice of this:

defects formed closed loops

Defect loops

Page 5: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Monopoles

Page 6: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Questions: 3D, Cores, Evolution

Page 7: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.
Page 8: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Cl Cp

Cs

Cl + Cp + Cs = 1

Page 9: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Cl Cp

Cs

Cl + Cp + Cs = 1

Page 10: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.
Page 11: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.
Page 12: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.
Page 13: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.
Page 14: Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw Vis 06 Techniques for the Visualization of Topological Defect.

Vadim A. Slavin, Robert A. Pelcovits, George Loriot, Andrew Callan-Jones, David H. Laidlaw

Vis ‘06

Techniques for the Visualization of Topological Defect Behavior in Nematic Liquid Crystals