Phys. Rev. Lett. 77, 3411–3414 (1996)Point-Contact Study of Fast and Slow Two-Level Fluctuators in Metallic GlassesReceived 22 May 1996; published in the issue dated 14 October 1996 Distinct peaks in the differential resistance of point contacts of metallic glasses have been observed around zero bias. These peaks can be attributed to the interaction between conduction electrons and fast switching two-level fluctuators (TLF). Discrete jumps between two such peaks were found to occur, which can be explained by a modulation of the electron-TLF coupling by defects, present in the vicinity of the contact, that slowly switch between two configurations. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.3411
DOI:
10.1103/PhysRevLett.77.3411
PACS:
72.15.Qm, 72.10.Fk, 71.23.Cq, 73.40.Jn
See AlsoComment: G. Zaránd, Jan von Delft, and A. Zawadowski, Comment on “Point-Contact Study of Fast and Slow Two-Level Fluctuators in Metallic Glasses”, Phys. Rev. Lett. 80, 1353 (1998). Reply: R. J. Keijsers, O. I. Shklyarevskii, and H. van Kempen, Keijsers, Shklyarevskii, and van Kempen Reply:, Phys. Rev. Lett. 80, 1354 (1998). |
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