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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+...

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Pubblicato in:Sci Adv
Autori principali: Rinott, Shahar, Chashka, K. B., Ribak, Amit, Rienks, Emile D. L., Taleb-Ibrahimi, Amina, Le Fevre, Patrick, Bertran, François, Randeria, Mohit, Kanigel, Amit
Natura: Artigo
Lingua:Inglês
Pubblicazione: American Association for the Advancement of Science 2017
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC5400444/
https://ncbi.nlm.nih.gov/pubmed/28439547
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1126/sciadv.1602372
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