TY - JOUR
T1 - Observation of negative s-wave proximity effect in superconducting UBe13
AU - Han, Siyuan
AU - Ng, K. W.
AU - Wolf, E. L.
AU - Millis, Andrew
AU - Smith, J. L.
AU - Fisk, Zachary
PY - 1986
Y1 - 1986
N2 - The Josephson Ic between a Ta-wire probe and an induced, surface, singlet, superconducting state in UBe13 decreases with decreasing temperature below the bulk UBe13 Tc, in contrast to the increase seen in comparison Mo samples. This shows that the bulk UBe13 superconductivity suppresses the induced singlet superconductivity. Such suppression is evidence of a triplet super-conducting state in UBe13. Evidence is presented for phase slip between weakly coupled singlet and triplet order parameters.
AB - The Josephson Ic between a Ta-wire probe and an induced, surface, singlet, superconducting state in UBe13 decreases with decreasing temperature below the bulk UBe13 Tc, in contrast to the increase seen in comparison Mo samples. This shows that the bulk UBe13 superconductivity suppresses the induced singlet superconductivity. Such suppression is evidence of a triplet super-conducting state in UBe13. Evidence is presented for phase slip between weakly coupled singlet and triplet order parameters.
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U2 - 10.1103/PhysRevLett.57.238
DO - 10.1103/PhysRevLett.57.238
M3 - Article
AN - SCOPUS:3843115650
SN - 0031-9007
VL - 57
SP - 238
EP - 241
JO - Physical Review Letters
JF - Physical Review Letters
IS - 2
ER -