New theory of strong-coupling superconductors and high-temperature superconductivity of metallic oxides

1988 ◽  
Vol 38 (1) ◽  
pp. 925-927 ◽  
Author(s):  
A. S. Alexandrov
1990 ◽  
Vol 04 (21) ◽  
pp. 1325-1340 ◽  
Author(s):  
DAVID KO

The discovery of high temperature superconductivity has motivated a vigorous study of the physics of Hubbard systems. Here, the properties of the spin aspects of the Hubbard system in two-dimension, in the strong coupling limit, are briefly reviewed, with the basic ideas, some of the fundamental questions and the state of the art introduced.


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