Colossal enhancement of upper critical fields in noncentrosymmetric heavy fermion superconductors near quantum criticality: CeRhSi${}_3$ and CeIrSi${}_3$

Abstract

Strong coupling effects on the upper critical fields $H_{c2}$ along the c-axis in the noncentrosymmetric heavy fermion superconductors near quantum criticality CeRhSi${}_3$ and CeIrSi${}_3$ are examined. For sufficiently large spin-orbit interactions due to the lack of inversion symmetry, $H_{c2}$ is mainly determined by the orbital depairing effects. From microscopic calculations taking into account the strong spin fluctuations, we show that $H_{c2}$ is extremely enhanced as the system approaches the quantum critical point, resulting in $H_{c2}\sim 30$T even in the case with the low transition temperature $T_c(H=0)\sim 1$K, which well explains the huge $H_{c2}$ observed in the recent experiments. Our results reveal intrinsic and universal properties common to strong coupling superconductivity caused by spin fluctuations near quantum criticality.

References in corpus (11)

• Superconductivty without inversion symmetry: MnSi versus CePt_3Si
• Helical vortex phase in the non-centrosymmetric CePt_3Si
• Electron Correlation and Pairing States in Superconductors without Inversion Symmetry
• p-wave and d-wave superconductivity in quasi-two-dimensional metals
• Quantum critical effects on transition temperature of magnetically mediated p-wave superconductivity
• Enhancement of Superconducting Transition Temperature due to the strong Antiferromagnetic Spin Fluctuations in Non-centrosymmetric Heavy-fermion Superconductor CeIrSi3 :A 29Si-NMR Study under Pressure
• Strong Enhancement of Superconducting T_c in Ferromagnetic Phases
• First order superconducting transition near a ferromagnetic quantum critical point
• Superconductivity near Itinerant Ferromagnetic Quantum Criticality
• Fermi liquid theory for heavy fermion superconductors without inversion symmetry : Magnetism and transport coefficients
• Microscopic Mechanism and Pairing Symmetry of Superconductivity in the Noncentrosymmetric Heavy Fermion Systems CeRhSI${}_3$ and CeIrSi${}_3$

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