Characteristic Timescales of the Local Moment Dynamics in Hund’s Metals
We study the characteristic timescales of the fluctuating local moments in Hund's metal systems for different degrees of correlation. By analyzing the dynamical spin susceptibility in the real-time domain, we determine the timescales controlling oscillation and damping of on-site fluctuations-a...
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| Veröffentlicht in: | Physical review letters 2020-08, Vol.125 (8), p.1-086402, Article 086402 |
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| container_end_page | 086402 |
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| container_issue | 8 |
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| container_title | Physical review letters |
| container_volume | 125 |
| creator | Watzenböck, C Edelmann, M Springer, D Sangiovanni, G Toschi, A |
| description | We study the characteristic timescales of the fluctuating local moments in Hund's metal systems for different degrees of correlation. By analyzing the dynamical spin susceptibility in the real-time domain, we determine the timescales controlling oscillation and damping of on-site fluctuations-a crucial factor for the detection of local moments with different experimental probes. We apply this procedure to different families of iron pnictides or chalcogenides, explaining the material trend in the discrepancies reported between experimental and theoretical estimates of their magnetic moments. |
| doi_str_mv | 10.1103/PhysRevLett.125.086402 |
| format | Article |
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| ispartof | Physical review letters, 2020-08, Vol.125 (8), p.1-086402, Article 086402 |
| issn | 0031-9007 1079-7114 |
| language | eng |
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| source | American Physical Society Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Correlation analysis Damping Group 5A compounds Magnetic moments Magnetic permeability |
| title | Characteristic Timescales of the Local Moment Dynamics in Hund’s Metals |
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