scholarly journals Correlated electron state in CeCu2Si2 controlled through Si to P substitution

2017 ◽  
Vol 1 (3) ◽  
Author(s):  
Y. Lai ◽  
S. M. Saunders ◽  
D. Graf ◽  
A. Gallagher ◽  
K.-W. Chen ◽  
...  
2011 ◽  
Vol 106 (15) ◽  
Author(s):  
L. Shu ◽  
R. E. Baumbach ◽  
M. Janoschek ◽  
E. Gonzales ◽  
K. Huang ◽  
...  

1999 ◽  
Vol 13 (15) ◽  
pp. 509-513
Author(s):  
HONG-YI FAN ◽  
JING-XIAN LIN

We point out that the BCS ground state of correlated electrons makes the uncertainty relation [Formula: see text] reach its minimum value, where [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] denote Cooper pair annihilation and creation operators, [Formula: see text] and z3 obey a closed pseudospin SU(2) Lie algebra. So, the BCS state is the state most approaching the "classical" situation.


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