IEVref:815-20-31ID:
Language:enStatus: Standard
Term: superconducting energy gap
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Symbol: Δ
Definition: one-half of the minimum energy necessary to excite a superconducting Cooper pair to two normal electrons

Note 1 to entry: In BCS theory, Δ=1,764 k  T c MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baqaaiGaciGacmaaceqaaeaacaabaaGcbaqcaaKaauiLdiabg2da9i aaigdacaGGSaGaaG4naiaaiAdacaaI0aGaaGjbVlaadUgacaaMe8Ua amivaOWaaSbaaKqaafaaiiaacaWFJbaabeaaaaa@3F64@ at 0 K, where k is the Boltzmann constant and T c MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baqaaiGaciGacmaaceqaaeaacaabaaGcbaqcaaKaamivaOWaaSbaaK qaafaaiiaacaWFJbaabeaaaaa@358C@ is the critical temperature.

Note 2 to entry: This entry was numbered 815-10-28 in IEC 60050-815:2015.


Publication date:2024-08
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