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Tuning across the BCS-BEC crossover in the multiband superconductor Fe(1+y)Se(x)Te(1−x): An angle-resolved photoemission study
The crossover from Bardeen-Cooper-Schrieffer (BCS) superconductivity to Bose-Einstein condensation (BEC) is difficult to realize in quantum materials because, unlike in ultracold atoms, one cannot tune the pairing interaction. We realize the BCS-BEC crossover in a nearly compensated semimetal, Fe(1+...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Association for the Advancement of Science
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5400444/ https://www.ncbi.nlm.nih.gov/pubmed/28439547 http://dx.doi.org/10.1126/sciadv.1602372 |