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本文计算出超导膜在磁场中的能隙。所得到的表达式适用于所有的温度,但磁场要满足((ehp0/(mc) A/(πkBTc))2《1条件,其中A是矢势,hp0是Fermi动量。理论结果和实验进行了比较,符合得还好。In this paper, we have calculated the energy gap of a superconducting film in a magnetic field. The result is valid in the whole temperature range but only for small magnetic field satisfying the condition ((e?p0/(mc) A/(πkBTc))2《1, where A is the vector potentialand ?p0 is Fermi momentum. The results are compared with the experimental data, and agreement is good.
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