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Title: Multiple phases with intertwined magnetic and superconducting orders in Nd-doped CeCoIn 5

In this study, the thermal conductivity of heavy-fermion superconductor Ce 0.95Nd 0.05CoIn 5 was measured with a magnetic field rotating in the tetragonal a-b plane. The thermal conductivity exhibits a step within the high-field low-temperature (HFLT) phase, which exists above 8 Tesla within the superconducting state, when field is rotated through the antinodal [100] direction of the superconducting d-wave order parameter. This anomaly indicates the presence of a third order parameter within the HFLT phase, similar to that of pure CeCoIn 5. Therefore, the HFLT state with triply intertwined orders, i.e., superconducting d-wave, magnetic spin-density wave (SDW), and a putative superconducting p-wave pair-density wave (PDW), is robust against 5% Nd doping. The second magnetic phase within the superconducting state below 8 Tesla, a low-field SDW, displays a hysteresis in thermal conductivity as a function of field magnitude, which is also revealing the existence of a third order consistent with a p-wave PDW. Lastly, given different origins and properties of the HFLT and low-field SDW states, the presence of three intertwined orders in both phases is remarkable and of far-reaching consequences.
Authors:
ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Report Number(s):
LA-UR-17-28485
Journal ID: ISSN 2469-9950; PRBMDO
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 97; Journal Issue: 24; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE
OSTI Identifier:
1479923
Alternate Identifier(s):
OSTI ID: 1454358

Kim, Duk Young, Lin, Shi-Zing, Weickert, Dagmar Franziska, Ferrari Silveira Rosa, Priscila, Bauer, Eric Dietzgen, Ronning, Filip, Thompson, Joe David, and Movshovich, Roman. Multiple phases with intertwined magnetic and superconducting orders in Nd-doped CeCoIn5. United States: N. p., Web. doi:10.1103/PhysRevB.97.245120.
Kim, Duk Young, Lin, Shi-Zing, Weickert, Dagmar Franziska, Ferrari Silveira Rosa, Priscila, Bauer, Eric Dietzgen, Ronning, Filip, Thompson, Joe David, & Movshovich, Roman. Multiple phases with intertwined magnetic and superconducting orders in Nd-doped CeCoIn5. United States. doi:10.1103/PhysRevB.97.245120.
Kim, Duk Young, Lin, Shi-Zing, Weickert, Dagmar Franziska, Ferrari Silveira Rosa, Priscila, Bauer, Eric Dietzgen, Ronning, Filip, Thompson, Joe David, and Movshovich, Roman. 2018. "Multiple phases with intertwined magnetic and superconducting orders in Nd-doped CeCoIn5". United States. doi:10.1103/PhysRevB.97.245120.
@article{osti_1479923,
title = {Multiple phases with intertwined magnetic and superconducting orders in Nd-doped CeCoIn5},
author = {Kim, Duk Young and Lin, Shi-Zing and Weickert, Dagmar Franziska and Ferrari Silveira Rosa, Priscila and Bauer, Eric Dietzgen and Ronning, Filip and Thompson, Joe David and Movshovich, Roman},
abstractNote = {In this study, the thermal conductivity of heavy-fermion superconductor Ce0.95Nd0.05CoIn5 was measured with a magnetic field rotating in the tetragonal a-b plane. The thermal conductivity exhibits a step within the high-field low-temperature (HFLT) phase, which exists above 8 Tesla within the superconducting state, when field is rotated through the antinodal [100] direction of the superconducting d-wave order parameter. This anomaly indicates the presence of a third order parameter within the HFLT phase, similar to that of pure CeCoIn5. Therefore, the HFLT state with triply intertwined orders, i.e., superconducting d-wave, magnetic spin-density wave (SDW), and a putative superconducting p-wave pair-density wave (PDW), is robust against 5% Nd doping. The second magnetic phase within the superconducting state below 8 Tesla, a low-field SDW, displays a hysteresis in thermal conductivity as a function of field magnitude, which is also revealing the existence of a third order consistent with a p-wave PDW. Lastly, given different origins and properties of the HFLT and low-field SDW states, the presence of three intertwined orders in both phases is remarkable and of far-reaching consequences.},
doi = {10.1103/PhysRevB.97.245120},
journal = {Physical Review B},
number = 24,
volume = 97,
place = {United States},
year = {2018},
month = {6}
}