Influence of Magnetic Field on Tunneling Conductance in Normal Metal/d_<x^2-y^2>-Wave Superconductor Junctions

概要

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Influences of magnetic field on tunneling conductance spectra in normal metal/d_<x^2-y^2>-wave superconductor junctions are studied on the the spatial dependence of the pair potential response of the zero-bias conductance peaks to broken time-reversal symmetry states, we strength in contrast to previous theories. The in the absence of field and equivalently to basis of the quasiclassical Green's function method where is determined self-consistently. Focuses are set on the field (ZBCP). For the detection of the splitting of the ZBCP due found the presence of a critical value for the magnetic field critical field H_c is almost proportional to the width of ZBCP the transparency of the junctions. The present result may explain the origin for the inconsistency of the magnetic field responses in several experiments.
社団法人日本物理学会の論文
2002-01-15