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자연과학대학
물리학전공
Journal papers
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Correlations, dimensionality and instabilities in organic superconductors
Title
Correlations, dimensionality and instabilities in organic superconductors
Authors
Jerome D.
;
Balicas L.
;
Behnia K.
;
Kang W.
;
Wzietek P.
;
Hubert L.
;
Bourbonnais C.
Ewha Authors
강원
SCOPUS Author ID
강원
Issue Date
1995
Journal Title
Physica B: Physics of Condensed Matter
ISSN
0921-4526
Citation
Physica B: Physics of Condensed Matter vol. 206-207, no. C, pp. 559 - 564
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
We discuss the role of Coulombic repulsion in organic superconductors exhibiting quasi-one-dimensional transport properties. A recent investigation in high magnetic fields shows that the charge localization occurring at low temperature in a 1-D half-filled band is suppressed by the 1-D to 2-D (3-D) cross-over in selenium compounds. However, a localization around 30 K in the non-ordered phase can be reactivated by the application of a high transverse magnetic field. This phenomenon provides an interpretation for the large transverse magnetoresistance observed in quasi-1-D conductors with open Fermi surfaces. The intermediate (strong) coupling limit is valid for the spin degree of freedom whereas the charge is governed by the strength of the Umklapp scattering varying by a large factor from sulfur to selenium compounds and under pressure. © 1995.
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