Magnetic traps are present in several science experiments, especially in those in which the aim is to isolate an object from the laboratory environment, to study its interaction with some element, as is the case of the study of superfluidity, where recently, it has become necessary to perform experiments in which the object of study is not physically attached to the laboratory environment. This book presents the design process of one of these traps, created to perform experiments in superfluidity, with an eminently practical approach but without neglecting the main theoretical elements.
- Cover
- Title page
- Copyright page
- Table of contents
- List of figures
- List of tables
- Preface
- Chapter 1. Introduction
- 1.1. Brief introduction to superfluids
- 1.2. The superconducting state
- 1.3. Experimental layout
- 1.4. Summary
- Chapter 2. Preliminary design
- 2.1. Introduction
- 2.2. Conceptual design
- 2.2.1. Conceptual design: first FEM studies
- 2.2.2. Conceptual design dynamical problem
- 2.3. Redesign of the initial layout
- 2.3.1. Modeling the superconducting behavior in the sphere
- 2.3.2. Final 3D simulation, preliminary design closeout
- 2.4. Summary
- Chapter 3. Stability study
- 3.1. Introduction
- 3.2. Introduction to the stability problem
- 3.3. Analytical model of the magnetic field
- 3.4. Applying the model to the real configuration
- 3.5. Parameters optimization: sweep stability study
- 3.6. Introducing the changes in the preliminary design
- 3.7. Pseudocode
- 3.8. Summary
- Chapter 4. Motion control
- 4.1. Introduction
- 4.2. Mathematical model
- 4.3. Controlling the movement: harmonic motion
- 4.3.1. Variation on the curvature of the potential, eigenfrequency study
- 4.4. Rectilinear movement in the horizontal plane
- 4.5. 3D model, circular motion control
- 4.6. Pseudocode
- 4.7. Summary
- Chapter 5. Manufacture and first experimental results
- 5.1. Introduction
- 5.2. Detection system
- 5.3. Manufacture process
- 5.3.1. Sphere manufacture
- 5.4. Assembly
- 5.5. Cooling down to 1.5 K
- 5.6. Achieving levitation
- 5.7. Summary
- References
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