依据Malozemoff和Griessen等建议的表征高温超导体有效钉扎势的唯象表式U(T,B,J)=Uq(T,B)/μ(T,B)[(Je(T,B)/J)r(r,B)-1]和热激活涡旋运动模型,并通过YBa2Cu3O7-δ薄膜直流传输特性的测量结果,利用"函数唯一性"数据处理方法,研究了钉扎液体的玻璃态指数μ(T,B)随温度与外磁场的负值函数形式.以及钉扎势垒U0(T,B)和Jc(T,B)随外场与温度变化关系.并且通过有效钉扎势的函数表式,本文提出在相对低温区域,钉扎液体遵从涡旋位错团滑移的塑性蠕动理论,但是在温度升高时具有趋向线性运动的趋势.
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