| Ultrafast pump-probe study of phase separation and competing orders in the underdoped (Ba,K)Fe2As2 superconductor. | |
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MedLine Citation:
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PMID: 20366619 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We report measurements of quasiparticle relaxation dynamics in the high-temperature superconductor (Ba,K)Fe2As2 in optimally doped, underdoped, and undoped regimes. In the underdoped sample, spin-density wave (SDW) order forms at approximately 85 K, followed by superconductivity at approximately 28 K. We find the emergence of a normal-state order that suppresses SDW at a temperature T{*} approximately 60 K and argue that this normal-state order is a precursor to superconductivity. |
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Authors:
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Elbert E M Chia; D Talbayev; Jian-Xin Zhu; H Q Yuan; T Park; J D Thompson; C Panagopoulos; G F Chen; J L Luo; N L Wang; A J Taylor |
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Publication Detail:
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Type: Journal Article Date: 2010-01-13 |
Journal Detail:
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Title: Physical review letters Volume: 104 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2010-04-06 Completed Date: 2010-06-21 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 027003 Citation Subset: - |
Affiliation:
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Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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