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Title: Resistivity Minimum in Highly Frustrated Itinerant Magnets

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [4];  [5]
  1. Rice Univ., Houston, TX (United States). Dept. of Physics and Astronomy; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Virginia, Charlottesville, VA (United States). Dept. of Physics
  4. Univ. of Florida, Gainesville, FL (United States). Dept. of Physics
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division. Shull-Wollan Center

We study here the transport properties of frustrated itinerant magnets comprising localized classical moments, which interact via exchange with the conduction electrons. Strong frustration stabilizes a liquidlike spin state, which extends down to temperatures well below the effective Ruderman-Kittel-Kasuya-Yosida interaction scale. The crossover into this state is characterized by spin structure factor enhancement at wave vectors smaller than twice the Fermi wave vector magnitude. Finally, the corresponding enhancement of electron scattering generates a resistivity upturn at decreasing temperatures.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Rice Univ., Houston, TX (United States); Univ. of Florida, Gainesville, FL (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Welch Foundation (United States)
Grant/Contract Number:
AC52-06NA25396; DMR-1308972; C-1818
OSTI ID:
1485408
Alternate ID(s):
OSTI ID: 1331233
Report Number(s):
LA-UR-18-31202
Journal Information:
Physical Review Letters, Vol. 117, Issue 20; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 19 works
Citation information provided by
Web of Science

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Cited By (4)

Anomalous magnetoresistance due to longitudinal spin fluctuations in a Jeff = 1/2 Mott semiconductor journal November 2019
Gradient-based stochastic estimation of the density matrix journal March 2018
Effect of magnetic anisotropy on skyrmions with a high topological number in itinerant magnets journal March 2019
Anomalous Magnetoresistance due to Longitudinal Spin Fluctuations in a Jeff = 1/2 Mott Semiconductor text January 2019

Figures / Tables (3)


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