Antiferromagnetism and Superconductivity in Cerium based Heavy Fermion Compounds

Abstract

The study of competing ground states is a central issue in condensed matter physic. In this article we will discuss the interplay of antiferromagnetic order and unconventional superconductivity in Ce based heavy-fermion compounds. In all discussed examples superconductivity appears at the border of magnetic order. Special focus is given on the pressure-temperature-magnetic field phase diagram of CeRhIn5 and CeCoIn5 which allows to discuss microscopic coexistence of magnetic order and superconductivity in detail. A striking point is the similarity of the phase diagram of different classes of strongly correlated systems which is discussed briefly. The recently discovered non-centrosymmetric superconductors will open a new access with the possible mixing of odd and even parity pairing.

38 pages, 22 figures, to be published in Comptes rendues - Physique

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• Materials Design for New Superconductors
• New Phase Induced by Pressure in the Iron-Arsenide Superconductor K-Ba122
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• Collapse of ferromagnetism and Fermi surface instability near reentrant superconductivity of URhGe
• Magnetic order in Ce0.95Nd0.05CoIn5: the Q-phase at zero magnetic field
• Ambient Pressure Superconductivity emerging in the Local Moment Antiferromagnetic Phase of Ce${}_3$PdIn${}_{11}$
• Quantum critical point for stripe order: An organizing principle of cuprate superconductivity
• Domain Walls in a Row-Wise Antiferromagnetic Mn Monolayer
• Topological Phase Transitions in Line-nodal Superconductors
• Electronic transport and magnetism in the alternating stack of metallic and highly frustrated magnetic layers in Co${}_{1/3}$NbS${}_2$
• Pressure-tuned quantum criticality in the locally non-centrosymmetric superconductor CeRh${}_2$As${}_2$
• Switching of the magnetic order in CeRhIn${}_{5-x}$Sn${}_x$ in the vicinity of its quantum critical point
• Upper critical field of CeCoIn5
• Coincidence of magnetic and valence quantum critical points in CeRhIn5 under pressure
• Giant overlap between the magnetic and superconducting phases of CeAu2Si2 under pressure
• Effect of disorder on the pressure-induced superconducting state of CeAu2Si2
• Coexisting Kondo hybridization and itinerant f-electron ferromagnetism in UGe2
• Spin-density-wave order controlled by uniaxial stress in CeAuSb${}_2$
• Heat transport study of field-tuned quantum criticality in CeIrIn5
• Spatial modulation of a unitary impurity-induced resonances in superconducting CeCoIn${}_5$
• Quantum impurity model for two-stage multipolar ordering and Fermi surface reconstruction
• Re-entrance of resistivity due to the interplay of superconductivity and magnetism in $\ce{Eu_{0.73}Ca_{0.27}(Fe_{0.87}Co_{0.13})2As2}$
• Spiral magnetism and chiral superconductivity in Kondo-Hubbard triangular lattice model
• PhD Thesis: Electronic correlations in multiorbital systems
• The many faces (phases) of strong correlations