Quasiparticle density of states for a spin-glass superconductor
E. Schachinger, W. Stephan, J. P. Carbotte
DOI 10.1103/PhysRevB.37.5003 · Physical Review B
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Abstract
We have calculated the quasiparticle density of states for a model spin-glass superconductor. Thermal spin fluctuations, as well as phonons, are fully accounted for in a complete strong-coupling formulation of the underlying theory. When the system is not gapless, it is found that the spin fluctuations contribute significantly to thermal smearing of the density of states. These effects can be particularly significant above the spin-glass freezing temperature and should be measurable.
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