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Self-collapse of Dumbbell Domains in Garnet Bubble Films |
| NIE Xiangfu;TANG Guide;HAN Baoshan* |
| Department of Physics, Hebei Normal University, Shijiazhuang 050016
*Institute of Physics, Academia Sinica, Beijing 100080 |
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| Cite this article: |
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NIE Xiangfu, TANG Guide, HAN Baoshan 1991 Chin. Phys. Lett. 8 420-423 |
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Abstract The self-collapse phenomenon of dumbbell domains was studied experimentally. The coincidence of the bias field region of self-collapse with that of collapse for both the first and second kinds of dumbbells manifests that two necessary conditions for self-collapse are: (1) sufficiently high number of vertical Bloch lines (VBLs) in their walls and (2) these VBLs are in high compression, and there exists the similarity between self-collapse and collapse in mechanism.
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| Keywords:
75.60.Ch
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Published: 01 August 1991
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| PACS: |
75.60.Ch
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(Domain walls and domain structure)
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