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Title: Differential conductance and defect states in the heavy-fermion superconductor CeCoIn5

Abstract

We demonstrate that the electronic band structure extracted from quasiparticle interference spectroscopy [Nat. Phys. 9, 468 (2013)] and the theoretically computed form of the superconducting gaps [Proc. Natl. Acad. Sci. USA 111, 11663 (2014)] can be used to understand the dI/dV line shape measured in the normal and superconducting state of CeCoIn5 [Nat. Phys. 9, 474 (2013)]. In particular, the dI/dV line shape, and the spatial structure of defect-induced impurity states, reflects the existence of multiple superconducting gaps of dx2–y2 symmetry. As a result, these results strongly support a recently proposed microscopic origin of the unconventional superconducting state.

Authors:
 [1];  [2]
  1. Cornell Univ., Ithaca, NY (United States); Univ. of St. Andrews, Scotland (United Kingdom)
  2. Univ. of Illinois at Chicago, Chicago, IL (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1246798
Alternate Identifier(s):
OSTI ID: 1235783
Report Number(s):
BNL-111974-2016-JA
Journal ID: ISSN 2469-9950; PRBMDO; R&D Project: PM007; KC0201010
Grant/Contract Number:  
SC00112704; FG02-05ER46225; AC02-98CH10886
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 93; Journal Issue: 4; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

John S. Van Dyke, Davis, James C., and Morr, Dirk K. Differential conductance and defect states in the heavy-fermion superconductor CeCoIn5. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.93.041107.
John S. Van Dyke, Davis, James C., & Morr, Dirk K. Differential conductance and defect states in the heavy-fermion superconductor CeCoIn5. United States. https://doi.org/10.1103/PhysRevB.93.041107
John S. Van Dyke, Davis, James C., and Morr, Dirk K. 2016. "Differential conductance and defect states in the heavy-fermion superconductor CeCoIn5". United States. https://doi.org/10.1103/PhysRevB.93.041107. https://www.osti.gov/servlets/purl/1246798.
@article{osti_1246798,
title = {Differential conductance and defect states in the heavy-fermion superconductor CeCoIn5},
author = {John S. Van Dyke and Davis, James C. and Morr, Dirk K.},
abstractNote = {We demonstrate that the electronic band structure extracted from quasiparticle interference spectroscopy [Nat. Phys. 9, 468 (2013)] and the theoretically computed form of the superconducting gaps [Proc. Natl. Acad. Sci. USA 111, 11663 (2014)] can be used to understand the dI/dV line shape measured in the normal and superconducting state of CeCoIn5 [Nat. Phys. 9, 474 (2013)]. In particular, the dI/dV line shape, and the spatial structure of defect-induced impurity states, reflects the existence of multiple superconducting gaps of dx2–y2 symmetry. As a result, these results strongly support a recently proposed microscopic origin of the unconventional superconducting state.},
doi = {10.1103/PhysRevB.93.041107},
url = {https://www.osti.gov/biblio/1246798}, journal = {Physical Review B},
issn = {2469-9950},
number = 4,
volume = 93,
place = {United States},
year = {Fri Jan 22 00:00:00 EST 2016},
month = {Fri Jan 22 00:00:00 EST 2016}
}

Journal Article:

Citation Metrics:
Cited by: 6 works
Citation information provided by
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Works referenced in this record:

Heavy-fermion superconductivity in CeCoIn 5 at 2.3 K
journal, April 2001


Spin-fluctuation-mediated even-parity pairing in heavy-fermion superconductors
journal, November 1986


Possible superconductivity in nearly antiferromagnetic itinerant fermion systems
journal, December 1986


d -wave pairing near a spin-density-wave instability
journal, December 1986


Fermi-surface instabilities and superconducting d -wave pairing
journal, May 1987


d -wave superconductivity in the large-degeneracy limit of the Anderson lattice
journal, January 1987


Kondo-stabilised spin liquids and heavy fermion superconductivity
journal, July 1989


Angular Position of Nodes in the Superconducting Gap of Quasi-2D Heavy-Fermion Superconductor CeCoIn 5
journal, July 2001


Unconventional Superconductivity in CeIrI n 5 and CeCoIn 5 : Specific Heat and Thermal Conductivity Studies
journal, May 2001


NMR and NQR studies of the heavy fermion superconductors Ce T In 5 ( T = Co and Ir)
journal, September 2001


Anomalous NMR magnetic shifts in CeCoIn 5
journal, October 2001


Spin Resonance in the d -Wave Superconductor CeCoIn 5
journal, February 2008


Andreev Reflection in Heavy-Fermion Superconductors and Order Parameter Symmetry in CeCoIn 5
journal, April 2008


Strong Magnetic Fluctuations in a Superconducting State of CeCoIn 5
journal, January 2012


Band-dependent emergence of heavy quasiparticles in CeCoIn 5
journal, July 2013


Nodal quasiparticle dynamics in the heavy fermion superconductor CeCoIn5 revealed by precision microwave spectroscopy
journal, September 2013


Landau Renormalizations of Superfluid Density in the Heavy-Fermion Superconductor CeCoIn 5
journal, October 2014


Tandem Pairing in Heavy-Fermion Superconductors
journal, December 2010


A common thread: The pairing interaction for unconventional superconductors
journal, October 2012


Field-angle-resolved anisotropy in superconducting CeCoIn 5 using realistic Fermi surfaces
journal, May 2013


Concepts relating magnetic interactions, intertwined electronic orders, and strongly correlated superconductivity
journal, October 2013


Emergence of superconductivity in heavy-electron materials
journal, December 2014


d -wave superconductivity in the frustrated two-dimensional periodic Anderson model
journal, February 2015


Molecular Pairing and Fully Gapped Superconductivity in Yb-doped CeCoIn 5
journal, January 2015


Specific heat in high magnetic fields and non-Fermi-liquid behavior in Ce M In 5 ( M = I r , Co )
journal, September 2001


Field-Induced Quantum Critical Point in C e C o I n 5
journal, December 2003


Avoided Antiferromagnetic Order and Quantum Critical Point in C e C o I n 5
journal, December 2003


Nonvanishing Energy Scales at the Quantum Critical Point of CeCoIn 5
journal, September 2006


Behavior of the Quantum Critical Point and the Fermi-Liquid Domain in the Heavy Fermion Superconductor CeCoIn 5 Studied by Resistivity
journal, February 2011


Scanning tunneling microscopy studies on CeCoIn 5 and CeIrIn 5
journal, March 2010


Imaging Cooper pairing of heavy fermions in CeCoIn5
journal, July 2013


Visualizing nodal heavy fermion superconductivity in CeCoIn5
journal, July 2013


Direct evidence for a magnetic f-electron-mediated pairing mechanism of heavy-fermion superconductivity in CeCoIn5
journal, July 2014


Doping a Mott insulator: Physics of high-temperature superconductivity
journal, January 2006


Differential Conductance and Quantum Interference in Kondo Systems
journal, May 2010


How Kondo-holes create intense nanoscale heavy-fermion hybridization disorder
journal, October 2011


Quasiparticle Bound States around Impurities in d x 2 y 2 -Wave Superconductors
journal, September 2000


Interplay of magnetism and high-Tc superconductivity at individual Ni impurity atoms in Bi2Sr2CaCu2O8+δ
journal, June 2001


Interpretation of Scanning Tunneling Quasiparticle Interference and Impurity States in Cuprates
journal, May 2015


Defects in Heavy-Fermion Materials: Unveiling Strong Correlations in Real Space
journal, August 2011


Works referencing / citing this record:

Visualizing heavy fermion confinement and Pauli-limited superconductivity in layered CeCoIn5
journal, February 2018


Unconventional superconductivity
journal, April 2017


Unconventional superconductivity
journal, November 1995


Visualizing Heavy Fermion Confinement and Pauli-Limited Superconductivity in Layered CeCoIn5
text, January 2018