Wang-MacDonald d-Wave Vortex Cores Observed in Heavily Overdoped Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}
Low-magnetic-field scanning tunneling spectroscopy of individual Abrikosov vortices in heavily overdoped Bi_{2}Sr_{2}CaCu_{2}O_{8+δ} unveils a clear d-wave electronic structure of the vortex core, with a zero-bias conductance peak at the vortex center that splits with increasing distance from the co...
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| Main Authors: | , , , |
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| Format: | article |
| Language: | EN |
| Published: |
American Physical Society
2021
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| Subjects: | |
| Online Access: | https://doaj.org/article/af57352385374bd5a1d9383a326c3ae8 |
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| Summary: | Low-magnetic-field scanning tunneling spectroscopy of individual Abrikosov vortices in heavily overdoped Bi_{2}Sr_{2}CaCu_{2}O_{8+δ} unveils a clear d-wave electronic structure of the vortex core, with a zero-bias conductance peak at the vortex center that splits with increasing distance from the core. We show that previously reported unconventional electronic structures, including the low-energy checkerboard charge order in the vortex halo and the absence of a zero-bias conductance peak at the vortex center, are direct consequences of short intervortex distance and consequent vortex-vortex interactions prevailing in earlier experiments. |
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