SPIN FLUCTUATION INDUCED PAIRING FOR HIGH Tc COMPOUNDS

1990 ◽  
Vol 04 (18) ◽  
pp. 1177-1184
Author(s):  
P. BHATTACHARYYA
Keyword(s):  
Gauge Symmetry ◽  
Critical Field ◽  
Mixed State ◽  
Spin Fluctuation ◽  
Upper Critical Field ◽  
Pairing Interaction ◽  
High Tc ◽  
Comparison With Experiments ◽  
Gap State

We show that measurements of the upper critical field can, within the context of the pairing hypothesis, distinguish between spin fluctuation dominated pairing and those that do not involve spin. Comparison with experiments supports the hypothesis that the dominant pairing interaction in high Tc compounds is spin fluctuation induced. We also show the existence of a new mode in the mixed state, the mid-gap state, which is an immediate consequence of gauge symmetry.

The intrinsic upper critical field of high-Tc superconductors

1997 ◽  
Vol 282-287 ◽  
pp. 1557-1558 ◽  
Author(s):  
X.-J. Xu ◽  
L. Fu ◽  
Y.-H. Zhang
Keyword(s):  
Critical Field ◽  
Upper Critical Field ◽  
High Tc Superconductors ◽  
High Tc

Upper critical field of β-(BEDT-TTF)2I3 in the high Tc superconducting state

Physica B+C ◽  
1986 ◽  
Vol 143 (1-3) ◽  
pp. 366-368 ◽  
Author(s):  
Keizo Murata ◽  
Naoki Toyota ◽  
Madoka Tokumoto ◽  
Hiroyuki Anzai ◽  
Gunzi Saito ◽  
...  
Keyword(s):  
Critical Field ◽  
Superconducting State ◽  
Upper Critical Field ◽  
High Tc

Upper critical field measurements in high-Tc superconducting oxides

1988 ◽  
Vol 13 (5) ◽  
pp. 387-391
Author(s):  
J.C. Ousset ◽  
J.F. Bobo ◽  
J.P. Ulmet ◽  
H. Rakoto ◽  
N. Cheggour
Keyword(s):  
Critical Field ◽  
Upper Critical Field ◽  
Field Measurements ◽  
High Tc ◽  
Superconducting Oxides

Upper critical field and resistive data of high-Tc films irradiated by He++ ions

1994 ◽  
Vol 235-240 ◽  
pp. 1355-1356 ◽  
Author(s):  
N.P. Shabanova ◽  
A.I. Golovashkin ◽  
E.V. Pechen ◽  
S.V. Antonenko ◽  
V.F. Elesin ◽  
...  
Keyword(s):  
Critical Field ◽  
Upper Critical Field ◽  
High Tc
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