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Introduction to topological defects and solitonsin liquid crystals, magnets, and related materials /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Introduction to topological defects and solitonsby Jonathan V. Selinger.
其他題名:	in liquid crystals, magnets, and related materials /
作者:	Selinger, Jonathan V.
出版者:	Cham :Springer Nature Switzerland :2024.
面頁冊數:	xiii, 213 p. :ill. (some col.), digital ;24 cm.
Contained By:	Springer Nature eBook
標題:	Solitons.
電子資源:	https://doi.org/10.1007/978-3-031-70200-6
ISBN:	9783031702006$q(electronic bk.)

Introduction to topological defects and solitonsin liquid crystals, magnets, and related materials /
Selinger, Jonathan V.

Introduction to topological defects and solitonsin liquid crystals, magnets, and related materials /[electronic resource] :by Jonathan V. Selinger. - Cham :Springer Nature Switzerland :2024. - xiii, 213 p. :ill. (some col.), digital ;24 cm. - Lecture notes in physics,v. 10321616-6361 ;. - Lecture notes in physics ;650..

Chapter 1. Introduction to Defects -- Chapter 2. Introduction to Solitons -- Chapter 3. Free Energy -- Chapter 4. Dynamics and Statistical Mechanics -- Chapter 5. Prequel to Defects: Variable Magnitude of Order -- Chapter 6. Further Issues: Defect Phase/Orientation, Charge Density, Curvature -- Chapter 7. 2D Nematic Order, Active Liquid Crystals -- Chapter 8. 3D Polar or Nematic Order -- Chapter 9. Defects in Crystals -- Chapter 10. 2D Measuring Surface: Hedgehogs, Skyrmions -- Chapter 11. 3D Measuring Surface: Hopfions -- Chapter 12. Phases With Regular Arrays of Defects or Solitons.

This textbook introduces topological defects and solitons at a level suitable for advanced undergraduates and beginning graduate students in physics and materials science. It avoids the formal mathematics of topology, and instead concentrates on the physical properties of these topological structures. The first half of the book concentrates on fundamental principles of defects and solitons, and illustrates these principles with a single example-the xy model for 2D magnetic order. It begins by defining the concept of a winding number, and uses this concept to describe the topology of defects (vortices or disclinations) and solitons (domain walls), carefully identifying the similarities and differences between these two types of topological structures. It then goes on to discuss physical properties of defects and solitons, including free energy, dynamics, statistical mechanics, and coupling with curvature. It shows how these concepts emerge from a theory with variable magnitude of order, and hence how topology can be viewed as an approximation to physics. The second half goes on to explore a wider range of topological defects and solitons. First, it considers more complex types of order-2D nematic liquid crystals, 3D magnetic or liquid-crystal order, 2D or 3D crystalline solids-and shows how each type of order leads to specific topological structures. Next, it discusses defects and solitons that are characterized by 2D or 3D measuring surfaces, not just 1D loops, including hedgehogs, skyrmions, and hopfions. These structures are more complex, but they can still be understood using the same fundamental principles. A final chapter describes the formation of phases with regular arrays of defects or solitons.

ISBN: 9783031702006$q(electronic bk.)

Standard No.: 10.1007/978-3-031-70200-6doiSubjects--Topical Terms:

207908
Solitons.

LC Class. No.: QC174.26.W28

Dewey Class. No.: 530.124

Introduction to topological defects and solitonsin liquid crystals, magnets, and related materials /
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520 $a This textbook introduces topological defects and solitons at a level suitable for advanced undergraduates and beginning graduate students in physics and materials science. It avoids the formal mathematics of topology, and instead concentrates on the physical properties of these topological structures. The first half of the book concentrates on fundamental principles of defects and solitons, and illustrates these principles with a single example-the xy model for 2D magnetic order. It begins by defining the concept of a winding number, and uses this concept to describe the topology of defects (vortices or disclinations) and solitons (domain walls), carefully identifying the similarities and differences between these two types of topological structures. It then goes on to discuss physical properties of defects and solitons, including free energy, dynamics, statistical mechanics, and coupling with curvature. It shows how these concepts emerge from a theory with variable magnitude of order, and hence how topology can be viewed as an approximation to physics. The second half goes on to explore a wider range of topological defects and solitons. First, it considers more complex types of order-2D nematic liquid crystals, 3D magnetic or liquid-crystal order, 2D or 3D crystalline solids-and shows how each type of order leads to specific topological structures. Next, it discusses defects and solitons that are characterized by 2D or 3D measuring surfaces, not just 1D loops, including hedgehogs, skyrmions, and hopfions. These structures are more complex, but they can still be understood using the same fundamental principles. A final chapter describes the formation of phases with regular arrays of defects or solitons.
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