Magnetic field induced reduction of the low-temperature superfluid density in cuprate superconductors
arXiv:1011.1546 · doi:10.1103/PhysRevB.83.144524
Abstract
The weak magnetic field induced reduction of the low-temperature superfluid density in cuprate superconductors is studied based on the kinetic energy driven superconducting mechanism. The electromagnetic response kernel is evaluated by considering both couplings of the electron charge and electron magnetic momentum with a weak magnetic field and employed to calculate the superfluid density, then the main features of the weak magnetic field induced reduction of the low-temperature superfluid density are well reproduced. The theory also shows that the striking behavior of the weak magnetic field induced reduction of the low-temperature superfluid density is intriguingly related to both depairing due to the Pauli spin polarization and nonlocal response in the vicinity of the d-wave gap nodes on the Fermi surface to a weak magnetic field.
arXiv comment7 pages, 3 figures, added discussions and references, accepted for publication in Phys. Rev. B
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Cited by in corpus (8)
- Kinetic-energy driven superconductivity in cuprate superconductors
- Two gaps with one energy scale in cuprate superconductors
- Electronic structure of cuprate superconductors in a full charge-spin recombination scheme
- Electronic Raman response in electron-doped cuprate superconductors
- Why there is a difference between optimal doping for maximal Tc and critical doping for highest ρ_s in cuprate superconductors?
- Doping dependence of Meissner effect in triangular-lattice superconductors
- Pseudogap and its connection to particle-hole asymmetry electronic state and Fermi arcs in cuprate superconductors
- Doping dependence of electromagnetic response in electron-doped cuprate superconductors