Anomalous Paramagnetic Magnetization in Mixed State of CeCoIn${}_5$ single crystals

Abstract

Magnetization and torque measurements were performed on CeCoIn${}_5$ single crystals to study the mixed-state thermodynamics. These measurements allow the determination of both paramagnetic and vortex responses in the mixed-state magnetization. The paramagnetic magnetization is suppressed in the mixed state with the spin susceptibility increasing with increasing magnetic field. The dependence of spin susceptibility on magnetic field is due to the fact that heavy electrons contribute both to superconductivity and paramagnetism and a large Zeeman effect exists in this system. No anomaly in the vortex response was found within the investigated temperature and field range.

References in corpus (14)

• Fulde-Ferrell-Larkin-Ovchinnikov Superconducting State in CeCoIn5
• Angular Position of Nodes in the Superconducting Gap of Quasi-2D Heavy-Fermion Superconductor CeCoIn_5
• Field-Induced Quantum Critical Point in CeCoIn5
• Superconductivity and Quantum Criticality in CeCoIn_5
• Inverse melting of the vortex lattice
• First order superconducting phase transition in CeCoIn${}_5$
• Anomalous NMR Magnetic Shifts in CeCoIn_5
• Field-angle Dependence of the Zero-Energy Density of States in the Unconventional Heavy-Fermion Superconductor CeCoIn5
• Field-Tuned Quantum Critical Point in CeCoIn${}_5$ Near the Superconducting Upper Critical Field
• Supersymmetric spin operators
• Angular Dependent Torque Measurements on CeCoIn${}_5$ Single Crystals
• Mixed-State Thermodynamics of Superconductors with Moderately Large Paramagnetic Effects
• Scaling Behavior of Angular Dependent Resistivity in CeCoIn${}_5$: Possible Evidence for d-Wave Density Waves
• Anomalous specific heat jump in the heavy fermion superconductor CeCoIn${}_5$

Cited by in corpus (6)

• From Kondo Lattices to Kondo Superlattices
• Strong magnetic fluctuations in superconducting state of CeCoIn${}_5$
• Pairing Symmetry of CeCoIn${}_5$ Detected by In-plane Torque Measurements
• Vortex-induced strain and magnetization in type-II superconductors
• Magneto-elastic coupling model of deformable anisotropic superconductors
• Elastic fields in superconductors caused by moving vortices