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Disordered type-II superconductors: a universal phase diagram for low-Tc systems

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Title Disordered type-II superconductors: a universal phase diagram for low-Tc systems
 
Creator BANERJEE, SS
GROVER, AK
HIGGINS, MJ
MENON, GUTAM I
MISHRA, PK
PAL, D
RAMAKRISHNAN, S
RAO, TVCHANDRASEKHAR
RAVIKUMAR, G
SAHNI, VC
SARKAR, S
TOMY, CV
 
Subject superconductivity
phase transitions
phase diagrams
melting
 
Description A universal phase diagram for weakly pinned low-Tc type-II superconductors is revisited and extended with new proposals. The low-temperature “Bragg glass” phase is argued to transform first into a disordered, glassy phase upon heating. This glassy phase, a continuation of the high-field equilibrium vortex glass phase, then melts at higher temperatures into a liquid. This proposal provides an explanation for the anomalies observed in the peak effect regime of 2H–NbSe2 and several other low-Tc materials which is independent of the microscopic mechanisms of superconductivity in these systems.
 
Publisher Elsevier
 
Date 2009-03-28T06:56:00Z
2011-11-25T20:25:29Z
2011-12-26T13:08:16Z
2011-12-27T05:56:16Z
2009-03-28T06:56:00Z
2011-11-25T20:25:29Z
2011-12-26T13:08:16Z
2011-12-27T05:56:16Z
2001
 
Type Article
 
Identifier Physica C: Superconductivity 355(1-2), 39-50
0921-4534
http://dx.doi.org/10.1016/S0921-4534(00)01767-6
http://hdl.handle.net/10054/1098
http://dspace.library.iitb.ac.in/xmlui/handle/10054/1098
 
Language en