Abstract
The tunneling differential conductance of a normal-metal/chiral spin-triplet superconductor junctions is calculated over whole ranges of temperature and barrier strength within the framework of generalized Blonder–Tinkham–Klapwijk (BTK) theory. We consider three kinds of superconducting gap functions with horizontal line nodes or vertical line nodes, which are currently investigated as the candidate states for Sr 2 RuO 4 . In particular, we find that the conductance curves for the f x 2 - y 2 -wave state depend seriously on the temperature even at T ≪ T c , giving rise to line shapes qualitatively compatible with the existing experimental results.
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