2002
DOI: 10.1080/00018730210164638
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Low-energy quasiparticles in high- T c cuprates

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Cited by 152 publications
(160 citation statements)
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References 212 publications
(357 reference statements)
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“…It can be seen clearly that γ(H) increases almost linearly with the magnetic field in the temperature region up to 11 K. A linear fit with the slope of about 0.633 mJ/molK 2 T to the zero temperature data is revealed by the blue solid line in this figure. This linear behavior is actually anticipated by the theoretical prediction for superconductors with a full gap [29], in which γ(H) is mainly contributed by the localized quasiparticle DOS within vortex cores. This is in sharp contrast with the results in cuprates [30,31] and the LaFeAsO 0.9 F 0.1−δ system [4] where a γ(H) ∝ √ H relation was observed and attributed to the Doppler shift of the nodal quasiparticle spectrum.…”
mentioning
confidence: 48%
“…It can be seen clearly that γ(H) increases almost linearly with the magnetic field in the temperature region up to 11 K. A linear fit with the slope of about 0.633 mJ/molK 2 T to the zero temperature data is revealed by the blue solid line in this figure. This linear behavior is actually anticipated by the theoretical prediction for superconductors with a full gap [29], in which γ(H) is mainly contributed by the localized quasiparticle DOS within vortex cores. This is in sharp contrast with the results in cuprates [30,31] and the LaFeAsO 0.9 F 0.1−δ system [4] where a γ(H) ∝ √ H relation was observed and attributed to the Doppler shift of the nodal quasiparticle spectrum.…”
mentioning
confidence: 48%
“…Inside the vortex cores, the superfluid current is significantly reduced by the magnetic field. The low-energy fermionic excitations in the mixed state are expected to have rather different lowenergy behaviors comparing with those in the uniform zero-field condensate 3 . As revealed by heat transport measurements, the thermal conductivity loses its universality and depends on the impurity scattering rate 3 .…”
Section: Introductionmentioning
confidence: 99%
“…For example, for the s-wave superconductor Nb, a deviation from a linear field fit is clearly seen above a crossover magnetic field H * ∼ 0.25H C2 18 . For p-doped cuprate superconductors, the √ H dependence has been reported for many crystals in support of d-wave pairing symmetry 19,23 . However, there are also a few exceptions that need to be clarified 19 .…”
mentioning
confidence: 99%
“…For p-doped cuprate superconductors, the √ H dependence has been reported for many crystals in support of d-wave pairing symmetry 19,23 . However, there are also a few exceptions that need to be clarified 19 .…”
mentioning
confidence: 99%
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