Mumax3-cQED: an extension of Mumax3 to simulate magnon-photon interactions in cavity QED
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| author | del Rincón, Sergio Martínez-Losa Román-Roche, Juan Martín-Megino, Andrés Zueco, David Martínez-Pérez, María José |
| author_facet | del Rincón, Sergio Martínez-Losa Román-Roche, Juan Martín-Megino, Andrés Zueco, David Martínez-Pérez, María José |
| contents | We present an extension of the well-known micromagnetic package Mumax3 to simulate magnon-polaritons in realistic magnetic materials and nanostructures. Mumax3-cQED leverages the full GPU-accelerated capabilities of Mumax3 to model standard spin-spin interactions and the coupling of magnetic moments to external space- and time-dependent magnetic fields, with the additional unique feature of including the coupling to a cavity. We validate the code against results obtained from the Dicke model in both the paramagnetic and the superradiant phases. We show that hybrid magnon-light states can be calculated, as well as the non-equilibrium dynamics and their approach to equilibrium. In addition, we demonstrate the potential of Mumax3-cQED to reproduce experimental results and design magnon-cavity experiments, including three-dimensional and coplanar waveguide resonators. The code is fully available and will be useful for designing experiments involving microscopic saturated ferromagnets as well as systems featuring spin textures such as domain walls, vortices, or skyrmions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_00966 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Mumax3-cQED: an extension of Mumax3 to simulate magnon-photon interactions in cavity QED del Rincón, Sergio Martínez-Losa Román-Roche, Juan Martín-Megino, Andrés Zueco, David Martínez-Pérez, María José Quantum Physics Mesoscale and Nanoscale Physics We present an extension of the well-known micromagnetic package Mumax3 to simulate magnon-polaritons in realistic magnetic materials and nanostructures. Mumax3-cQED leverages the full GPU-accelerated capabilities of Mumax3 to model standard spin-spin interactions and the coupling of magnetic moments to external space- and time-dependent magnetic fields, with the additional unique feature of including the coupling to a cavity. We validate the code against results obtained from the Dicke model in both the paramagnetic and the superradiant phases. We show that hybrid magnon-light states can be calculated, as well as the non-equilibrium dynamics and their approach to equilibrium. In addition, we demonstrate the potential of Mumax3-cQED to reproduce experimental results and design magnon-cavity experiments, including three-dimensional and coplanar waveguide resonators. The code is fully available and will be useful for designing experiments involving microscopic saturated ferromagnets as well as systems featuring spin textures such as domain walls, vortices, or skyrmions. |
| title | Mumax3-cQED: an extension of Mumax3 to simulate magnon-photon interactions in cavity QED |
| topic | Quantum Physics Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2410.00966 |