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

Journal Article · · Nature Physics
DOI:https://doi.org/10.1038/nphys3773· OSTI ID:1512736
 [1];  [2];  [1];  [3];  [3];  [4];  [4];  [1]
  1. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of California, Berkeley, CA (United States)
  4. Florida State Univ., Tallahassee, FL (United States)
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 implies 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.
Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC). Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1512736
Alternate ID(s):
OSTI ID: 1530254
Report Number(s):
LA-UR--17-22705
Journal Information:
Nature Physics, Journal Name: Nature Physics Journal Issue: 10 Vol. 12; ISSN 1745-2473
Publisher:
Nature Publishing Group (NPG)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (16)

A unified form of low-energy nodal electronic interactions in hole-doped cuprate superconductors journal December 2019
Backreacted DBI magnetotransport with momentum dissipation journal October 2017
Universal T-linear resistivity and Planckian dissipation in overdoped cuprates journal November 2018
Nematicity, magnetism and superconductivity in FeSe journal December 2017
Possible scale invariant linear magnetoresistance in pyrochlore iridates Bi 2 Ir 2 O 7 journal November 2019
Quantum criticality and DBI magneto-resistance journal February 2017
Coherent Superconductivity with a Large Gap Ratio from Incoherent Metals journal October 2018
Coexistence of orbital and quantum critical magnetoresistance in FeSe 1 − x S x journal September 2019
Magnetotransport in a Model of a Disordered Strange Metal journal May 2018
Correlation between scale-invariant normal-state resistivity and superconductivity in an electron-doped cuprate journal May 2019
Scale-invariant magnetoresistance in a cuprate superconductor journal August 2018
Correlation between scale-invariant normal-state resistivity and superconductivity in an electron-doped cuprate text January 2019
Planckian dissipation, minimal viscosity and the transport in cuprate strange metals journal January 2019
Possible Scale Invariant Linear Magnetoresistance in Pyrochlore Iridates Bi$_2$Ir$_2$O$_7$ text January 2013
Quantum Criticality and DBI Magneto-resistance text January 2016
Magnetotransport in a model of a disordered strange metal text January 2017

Figures / Tables (3)


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