Uploads by Jalil
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This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 12:23, 1 August 2023 | First Micromagnetic Simuation-Domain Wall.txt (file) |  |
4.14 MB | Introduction to micromagnetic simulations using Ubermag, it includes a 1D llg including exchange term and magnetic term, and a domain wall dynamics with STT. | 1 |
| 12:45, 1 August 2023 | Intro DifEq.txt (file) | |
160 KB | Introduction to differential equations and its applications in physics. Includes: Euler,Euler-Cromer, Mid-point and Verlet algorithm. | 3 |
| 12:47, 1 August 2023 | Oscillators.txt (file) | |
743 KB | Introduction to coupled differential equations and Fourier analysis. The FPU problem is solved for a general system of n sites | 1 |
| 12:48, 1 August 2023 | First LLG.txt (file) | |
43 KB | Introduction to LLG equations and analytical solution for one magnetic moment under an external magnetic field. | 1 |
| 13:02, 1 August 2023 | Llg.zip (file) |  |
53 KB | Code for a general one-dimensional LLG, including anisotropy, exchange interaction, magnetic field and demagnetization field. Also includes comparison with the analytical solution for a single magnetic moment. | 1 |
| 08:00, 28 August 2023 | First Micromagnetic Simuation.txt (file) | |
4.06 MB | ## What is covered in this notebook * Introduction to ubermag: * Principal classes of ubermag. * How to set the geometry and the dynamics of a general system. * How to manipulate and storage the data. * Simulated systems: * Single magnetic moment under the effect of magnetic field. * Chain of magnetic moments with exchange and Zeeman energy. * Creation of a domain wall and dynamics under the inclusion of Spin Transfer Torque (STT). | 1 |
| 08:05, 28 August 2023 | Spin Waves and Domain Walls.txt (file) | |
3.96 MB | ## What is covered in this notebook * Introduction to spin waves: * Concept of spin wave and relation dispersion. * How to simulate an spin wave. * How to get the spectrum of an spin wave. * Introduction to domain walls: * Concept of Domain wall and main energy contribution to their formation. * Simulation of many domain walls. * Collision of domain walls under the effect of magnetic fields. | 1 |
| 08:08, 28 August 2023 | Skyrmion simulation.txt (file) | |
1.35 MB | ## What is covered in this notebook * Introduction to the Skyrmions: * Chirality, spin orbit coupling and Dzyaloshinskii-Moriya behind the creation of an skyrmion. * How to classify an Skyrmion, winding number and helicity * Simulating an Skyrmion. * Introduction to Skyrmion Dynamics: * Simulation of the dynmics of an skyrmion under STT. * Interaction between Skyrmions under applied magnetic field | 1 |
| 08:51, 28 August 2023 | Introduction to differential equations.txt (file) | |
161 KB | ## What is covered in this notebook * Introduction to differential equations * Numerical methods to solve differential equations: * Euler's method * Euler-Cromers Method * Mid point method * Verlet method * Examples of applications: * Newton's Law of Cooling * Radioactive decay * Projectile moetion * Free fall problem * Pendulum problem * Concepts of local and global error | 1 |
| 09:01, 28 August 2023 | Coupled nonlinear oscillators.txt (file) | |
743 KB | ## What is covered in this notebook * Introduction The Fermi-Pasta-Ulam (FPU) model : * Review of verlet algorithm. * Application of verlet algorithm to n nonlinear differential equations. * Analysis of solutions: * Relative amplitude of solutions and concept of normal modes. * How to make a Fourier transform and analysis of spectrum. * Effects of nonlinearities in the differential equation (Ergodicity). * Animation of solution. | 1 |
| 09:09, 28 August 2023 | Introduction to LLG equations.txt (file) | |
44 KB | ## What is covered in this notebook * Introduction to LLG equations: * Main contribution to the energy . * Dynamics of LLG equations (damping and driving terms). * Analytical solution for a single magnetic moment under a magnetic field. | 1 |
| 09:16, 28 August 2023 | 1D LLG Code.zip (file) | |
53 KB | ## What is covered in this notebook * Numerical solution to LLG equations using verlet algorithm * Comparison to analytical solution for a single spin under applied magnetic field | 1 |
| 15:58, 6 November 2023 | Skyrmion simulation 2.txt (file) | |
4.24 MB | More about Skyrmion simulations and collisions | 1 |
| 16:00, 6 November 2023 | Magnon laser.txt (file) | |
229 KB | Introduction to the Magnon-Laser project | 1 |
