Electronic Duality in Strongly Correlated Matter

Abstract

Superconductivity develops from an attractive interaction between itinerant electrons that creates electron pairs which condense into a macroscopic quantum state--the superconducting state. On the other hand, magnetic order in a metal arises from electrons localized close to the ionic core and whose interaction is mediated by itinerant electrons. The dichotomy between local moment magnetic order and superconductivity raises the question of whether these two states can coexist and involve the same electrons. Here we show that the single 4f-electron of cerium in CeRhIn5 simultaneously produces magnetism, characteristic of localization, and superconductivity that requires itinerancy. The dual nature of the 4f-electron allows microscopic coexistence of antiferromagnetic order and superconductivity whose competition is tuned by small changes in pressure and magnetic field. Electronic duality contrasts with conventional interpretations of coexisting spin-density magnetism and superconductivity and offers a new avenue for understanding complex states in classes of materials.

14 pages, 4 figures

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Cited by in corpus (36)

• Multiconfigurational nature of 5f orbitals in uranium and plutonium intermetallics
• The quantum critical point in CeRhIn_5: a resistivity study
• Orbital-selective Mott transitions: Heavy fermions and beyond
• Spin Liquids and Antiferromagnetic Order in the Shastry-Sutherland-Lattice Yb${}_2$Pt${}_2$Pb
• Disorder in a Quantum Critical Superconductor
• From itinerant to local-moment antiferromagnetism in Kondo lattices: Adiabatic continuity vs. quantum phase transitions
• Long range order and two-fluid behavior in heavy electron materials
• Observation of antiferromagnetic order as odd-parity multipoles inside the superconducting phase in CeRh${}_2$As${}_2$
• Antiferromagnetism and Superconductivity in Cerium based Heavy Fermion Compounds
• From Kondo Lattices to Kondo Superlattices
• The magnitude of the magnetic exchange interaction in the heavy fermion antiferromagnet CeRhIn${}_5$
• Magnetism and superconductivity in strongly correlated CeRhIn5
• Probing the nodal gap in the pressure-induced heavy fermion superconductor CeRhIn5
• Point-contact spectroscopy in heavy-fermion superconductors
• Antiferromagnetism and Superconductivity in CeRhIn${}_5$
• Plutonium-Based Heavy-Fermion Systems
• Coexistence of antiferromagnetism and superconductivity within t-J model with strong correlations and nonzero spin polarization
• Single to multi quasiparticle excitations in the itinerant helical magnet CeRhIn${}_5$
• Magic gap ratio for optimally robust fermionic condensation and its implications for high-Tc superconductivity
• Strong coupling theory of heavy fermion criticality II
• Coexistence of near-EF flat band and van Hove singularity in a two-phase superconductor
• From Ising resonant fluctuations to static uniaxial order in antiferromagnetic and weakly superconducting CeCo(In${}_{1-x}$Hg${}_x$)${}_5$ ($x$=0.01)
• Gutzwiller Wave-Function Solution for Anderson Lattice Model: Emerging Universal Regimes of Heavy Quasiparticle States
• Two-channel point-contact tunneling theory of superconductors
• Induced spin-triplet pairing in the coexistence state of antiferromagnetism and singlet superconductivity: collective modes and microscopic properties
• Controlling unconventional superconductivity in artificially engineered $f$-electron Kondo superlattices
• Tuning the pairing interaction in a $d$-wave superconductor by paramagnons injected through interfaces
• Superconductivity of cerium under pressures up to 54GPa
• Anisotropic excitonic magnetism from discrete ${\mathrm{C}}_4$ symmetry in CeRhIn${}_5$
• Theory of dual fermion superconductivity in hole-doped cuprates
• NMR Studies of Field Induced Magnetism in CeCoIn${}_5$
• Localized and itinerant dichotomy of electrons in Ba(Fe,Co)2As2
• Localized moments and the stability of antiferromagnetic order in Yb3Pt4
• Spin-polaron band of heavy carriersin the heavy-fermion ferromagnetic superconductor UGe2
• Effective Low-Energy Model for f-Electron Delocalization
• Magnetic field tuned superconducting and normal phase magnetism in CeCo${}_{0.5}$Rh${}_{0.5}$In${}_5$