Research Projects for High School Students: Difference between revisions
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*[[Media:Skyrmion simulation.txt| Skyrmion simulation ]] | *[[Media:Skyrmion simulation.txt| Skyrmion simulation ]] | ||
*[[Media:Skyrmion_simulation_2.txt| More about Skyrmion Simulations and collision of Skyrmions]] | |||
===References=== | ===References=== | ||
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== Classical micromagnetics research projects: Magnon laser == | == Classical micromagnetics research projects: Magnon laser == | ||
*[[Media:Magnon_laser.txt| Introduction to the Magnon laser theory]] | |||
===References=== | ===References=== | ||
* A. Roldan-Molina, A. S. Nunez, ''Magnonic Black Holes'', Phys. Rev. Lett. '''118''', 061301 (2017). [https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.061301 [PDF]] | |||
* J. L. Gaona-Reyes, D. Bermudez, ''The Theory of optical black hole lasers'', Ann. Phys. '''380''', 4916 (2017). [https://www.sciencedirect.com/science/article/abs/pii/S0003491617300830?via%3Dihub [PDF]] | |||
* J. S. Harms, A. Ruckriegel and R. A Duine, '' Dynamically stable negative-energy states induced by spin-transfer torques'' Phys. Rev. B '''103''', 144408 (2021).[https://journals.aps.org/prb/abstract/10.1103/PhysRevB.103.144408 [PDF]] | |||
Latest revision as of 16:26, 2 August 2024
Introduction to computational physics
- For an introduction to basic python libraries, review the first three notebooks from PHYS824 (JUPYTER notebooks for hands-on practice: [1] )
- Introduction to differential equations for physicists
- Coupled differential equations: N-coupled nonlinear oscillators
References
- N. Giordano and H. Nakanishi: Computational Physics (2nd edition, Prentice Hall, New Jersey, 2005).
- H. Georgi: The physics of waves (Prentice Hall, Englewood Cliffs, 1993) Chapter 3.
Introduction to Landau-Lifshitz-Gilbert equation for magentization dynamics
- Introduction to LLG equations and the Heun algorithm
- One-dimensional LLG code
- Ubermag package for operate over existing micromagnetic simulation programs, such as OOMMF and mumax3.
References
- R. F. L. Evans, W. J. Fan, P. Chureemart, T. A. Ostler, M. O. A. Ellis and R. W. Chantrell, Atomistic spin model simulations of magnetic nanomaterials, J. Phys.: Condens. Matter 26, 103202 (2014). [PDF]
Classical micromagnetics research projects: Annihilation of topological solitons
References
F. Han, A modern course in the quantum theory of solids (World Scientific, Singapore, 2013). (Chapter 7).
- Domain Walls:
- Skyrmions:
- Introduction to Skyrmions and their dynamics:
- N. Nagaosa, Y. Tokura, Topological properties and dynamics of magnetic skyrmions, Nature Nanotech 8, 899–911 (2013). [PDF]
- A. Fert, V. Cros, J. Sampaio, Skyrmions on the track, Nature Nanotech 8, 152–156 (2013). [PDF]
- J. Iwasaki, M. Mochizuki & N. Nagaosa, Universal current-velocity relation of skyrmion motion in chiral magnets, Nat Commun 4, 1463 (2013).[PDF]
- Skyrmion collision:
- F. Zheng, N. S. Kiselev, L. Yang, V. M. Kuchkin, F. N. Rybakov, S. Blügel, and R. E. Dunin-Borkowski, Skyrmion–antiskyrmion pair creation and annihilation in a cubic chiral magnet, Nat. Phys. 18, 863 (2022). [PDF]
- A. A. Kovalev and S. Sandhoefner, Skyrmions and antiskyrmions in quasi-two-dimensional magnets, Frontiers in Physics 6, 98 (2018). [PDF]
- M. Á. Halász and R. D. Amado, Skyrmion–anti-skyrmion annihilation with ω mesons, Phys. Rev. D 63, 054020 (2001). [PDF]
Classical micromagnetics research projects: Magnon laser
References
- A. Roldan-Molina, A. S. Nunez, Magnonic Black Holes, Phys. Rev. Lett. 118, 061301 (2017). [PDF]
- J. L. Gaona-Reyes, D. Bermudez, The Theory of optical black hole lasers, Ann. Phys. 380, 4916 (2017). [PDF]
- J. S. Harms, A. Ruckriegel and R. A Duine, Dynamically stable negative-energy states induced by spin-transfer torques Phys. Rev. B 103, 144408 (2021).[PDF]
