Fluxon modes in stacked HTSC intrinsic Josephson junctions |
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| Affiliation: | 2. Department of Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden;3. Institute of Solid State Physics, 142432 Chernogolovka, Russia;4. P.L. Kapitza Institute, Kosygina 2, 117334 Moscow, Russia;1. National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan;2. Research Organization for Information Science and Technology, 2-2-54 Nakameguro, Meguro-ku, Tokyo 153-0061, Japan |
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| Abstract: | Fluxon modes in stacked Josephson junctions (SJJ's) are studied both theoretically and experimentally. It is shown that the critical current Jc across the stack is multiple valued due to a possibility of having different fluxon configurations (modes), which is in good agreement with experiment on Bi2Sr2CaCu2O8+x, the temperature and magnetic field dependencies of the critical current were calculated for a stack with nonidentical junctions. |
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