On the Topological Features of the Helical Phase Transition in MnSi
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866917897018802176 |
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| author | Stishov, S. M. Petrova, A. E. Belemuk, A. M. |
| author_facet | Stishov, S. M. Petrova, A. E. Belemuk, A. M. |
| contents | Many decades of study have revealed very unusual properties of the helical phase transition in MnSi. This situation is briefly described and illustrated in the present note. As one will be able to see, one peculiarity is that the phase transition point in MnSi is accompanied by extremes of different thermodynamic and kinetic quantities on the high temperature side of the transition, which look similar to a property of 2D systems. The whole situation can be tentatively described as a phase transformation of the helical phase of MnSi to the paramagnetic state, which occurs in two steps, first as a first order phase transition and then following a breakdown of topological objects such as spin vortices. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2501_11078 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the Topological Features of the Helical Phase Transition in MnSi Stishov, S. M. Petrova, A. E. Belemuk, A. M. Strongly Correlated Electrons Many decades of study have revealed very unusual properties of the helical phase transition in MnSi. This situation is briefly described and illustrated in the present note. As one will be able to see, one peculiarity is that the phase transition point in MnSi is accompanied by extremes of different thermodynamic and kinetic quantities on the high temperature side of the transition, which look similar to a property of 2D systems. The whole situation can be tentatively described as a phase transformation of the helical phase of MnSi to the paramagnetic state, which occurs in two steps, first as a first order phase transition and then following a breakdown of topological objects such as spin vortices. |
| title | On the Topological Features of the Helical Phase Transition in MnSi |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2501.11078 |