期刊
PHYSICAL REVIEW E
卷 91, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.91.041001
关键词
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资金
- Natural Environment Research Council [NE/J007080/1]
- BIS National E-infrastructure Capital Grant [ST/K00042X/1]
- DiRAC Operations Grant [ST/K003267/1]
- Durham University
- NERC [NE/J007080/1] Funding Source: UKRI
- STFC [ST/K00042X/1, ST/M007006/1, ST/I00162X/1] Funding Source: UKRI
- Natural Environment Research Council [NE/J007080/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/M007006/1, ST/I00162X/1, ST/K00042X/1] Funding Source: researchfish
We propose a self-consistent dynamo mechanism for the generation of large-scale magnetic fields in natural objects. Recent computational studies have described the formation of large-scale vortices in rotating turbulent convection. Here we demonstrate that for magnetic Reynolds numbers below the threshold for small-scale dynamo action, such turbulent flows can sustain large-scale magnetic fields, i.e., fields with a significant component on the scale of the system.
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