Theoretical Proposal of a Method to Identify the Symmetry of the Order Parameter in High-T_c Superconductivity
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概要
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A new experimental method to judge the symmetry of the order parameter in high-T_c superconductivity is proposed. The interference of reflected holes from different directions due to the Andreev reflection causes quite different phenomena among s-, d_<x^2-y^<2->> and d_<xy>-wave superconductivity. It is shown that this interference effect may be observed as a change of the conductance below T_c, which enables us to identify the symmetry of the pairing state in high-T_c superconductivity. Various cases in which the experimental setup deviates from the ideal situation are also studied and experimental condition for this method is clarified.
- 社団法人日本物理学会の論文
- 1995-03-15
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