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  Scaling between magnetic field and temperature in the high-temperature superconductor BaFe2(As1-xPx)2

Hayes, I. M., McDonald, R. D., Breznay, N. P., Helm, T., Moll, P. J. W., Wartenbe, M., et al. (2016). Scaling between magnetic field and temperature in the high-temperature superconductor BaFe2(As1-xPx)2. Nature Physics, 12(10), 916-919. doi:10.1038/NPHYS3773.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-7959-A Version Permalink: https://hdl.handle.net/21.11116/0000-000B-795A-9
Genre: Journal Article

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https://doi.org/10.1038/nphys3773 (Publisher version)
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 Creators:
Hayes, Ian M.1, Author
McDonald, Ross D.1, Author
Breznay, Nicholas P.1, Author
Helm, Toni1, Author
Moll, Philip J. W.1, Author
Wartenbe, Mark1, Author
Shekhter, Arkady1, Author
Analytis, James G.1, Author
Affiliations:
1external, ou_persistent22              

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 Abstract: Many exotic metallic systems have a resistivity that varies linearly with temperature, and the physics behind this is thought to be connected to high-temperature superconductivity in the cuprates and iron pnictides1,2,3,4,5,6,7,8,9. Although this phenomenon has attracted considerable attention, it is unclear how the relevant physics manifests in other transport properties, for example their response to an applied magnetic field. We report measurements of the high-field magnetoresistance of the iron pnictide superconductor BaFe2(As1-xPx)2 and find that it obeys an unusual scaling relationship between applied magnetic field and temperature, with a conversion factor given simply by the ratio of the Bohr magneton and the Boltzmann constant. This suggests that magnetic fields probe the same physics that gives rise to the T-linear resistivity, providing a new experimental clue to this long-standing puzzle.

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Language(s): eng - English
 Dates: 2016
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1038/NPHYS3773
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Title: Nature Physics
  Other : Nat. Phys.
Source Genre: Journal
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Publ. Info: London : Nature Pub. Group
Pages: - Volume / Issue: 12 (10) Sequence Number: - Start / End Page: 916 - 919 Identifier: ISSN: 1745-2473
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000025850