Banerjee, S. S. ; Patil, N. G. ; Saha, S. ; Ramakrishnan, S. ; Grover, A. K. ; Bhattacharya, S. ; Ravikumar, G. ; Mishra, P. K. ; Rao, T. V. Chandrasekhar ; Sahni, V. C. ; Higgins, M. J. ; Yamamoto, E. ; Haga, Y. ; Hedo, M. ; Inada, Y. ; Onuki, Y. (1998) Anomalous peak effect in CeRu2 and 2H-NbSe2: fracturing of a flux line lattice Physical Review B, 58 (2). pp. 995-999. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v58/i2/p995_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.58.995
Abstract
CeRu2 and 2H-NbSe2 display remarkable similarities in their magnetic response, reflecting the manner in which the weakly pinned flux line lattice (FLL) loses spatial order in the peak-effect (PE) regime. We present evidence for discontinuous changes in the screening response near the onset of the PE in these systems, and demonstrate history-dependent effects. We attribute these features to a disorder-induced fracturing and entanglement of the FLL, as an alternative to the appearance of a spatially modulated ground state for CeRu2.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 14798 |
| Deposited On: | 12 Nov 2010 13:35 |
| Last Modified: | 02 Jun 2011 06:17 |
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