Sudershan, Y. S. ; Rastogi, Amit ; Bhat, S. V. ; Grover, A. K. ; Yamaguchi, Y. ; Oka, K. ; Nishihara, Y. (1996) Non-resonant RF absorption for vortex decoupling in Bi-2212 single crystals Proceedings of International Symposium on Advances in Superconductivity: New Materials, Critical Currents and Devices . pp. 347-350.
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Abstract
The magnetic field dependent rf losses in Bi2212 single crystals show two distinct features. 1)Unlike the usual behavior, the loss is a minimum at a non-zero field HM(T) and 2) dp/dH exhibits a maximum at HD(T)HM(T) with an a accompanying minimum in the frequency net coupling (Josephson+magnetic) between the CuO bilayers at HM(T). Feature 2 is a signature of the decoupling of the CuO bilayers and we argue that HD(T) is also the field at which flux lines decompose into 2D vortices in the planes. The temperature behavior of the decoupling field is in agreement with the predictions of Glazman and Koshelev [Phys.Rev.B43,2835(1991)].
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to New Age International Publishers. |
| ID Code: | 97335 |
| Deposited On: | 04 Feb 2013 05:16 |
| Last Modified: | 04 Feb 2013 05:16 |
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