Phys. Rev. Lett. 58, 2806–2809 (1987)Nonequilibrium superconductivity: New crystallographic and magnetic field effectsReceived 29 December 1986; published in the issue dated 29 June 1987 Branch imbalance has been a valuable probe of nonequilibrium superconductivity for many years, and is presumed to be well understood. However, measurements on bulk niobium samples show existing pictures to be inadequate in two ways. In a single-crystal sample, an excitation with an anomalously long diffusion length is detected; and the magnitude and decay length of the branch imbalance signal in the mixed state tend to increase with increasing magnetic field strength, in contradistinction to all previous expectations and interpretations. © 1987 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.58.2806
DOI:
10.1103/PhysRevLett.58.2806
PACS:
74.40.+k, 74.60.Ec
See AlsoComment: Thomas R. Lemberger, Comment on "Nonequilibrium Superconductivity: New Crystallographic and Magnetic Field Effects", Phys. Rev. Lett. 60, 2808 (1988). Comment: Mark Johnson and R. H. Silsbee, Johnson and Silsbee Reply:, Phys. Rev. Lett. 60, 2809 (1988). |
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