Influence of the Crystalline Field on the Kondo Effect of Alloys and Compounds with Cerium Impurities

1972 ◽  
Vol 5 (11) ◽  
pp. 4541-4561 ◽  
Author(s):  
B. Cornut ◽  
B. Coqblin
1972 ◽  
Vol 11 (6) ◽  
pp. 845-849 ◽  
Author(s):  
M. Nicolas-Francillon ◽  
A. Percheron ◽  
J.C. Achard ◽  
O. Gorochov ◽  
B. Cornut ◽  
...  

Physica B+C ◽  
1977 ◽  
Vol 86-88 ◽  
pp. 511-512
Author(s):  
A.K. Bhattacharjee ◽  
B. Coqblin

1985 ◽  
Vol 52 (1-4) ◽  
pp. 377-380 ◽  
Author(s):  
M. Sera ◽  
T. Kasuya ◽  
P. Haen ◽  
J.L. Tholence ◽  
H. Bartholin ◽  
...  

Author(s):  
M. Brian Maple ◽  
Lance E. DeLong ◽  
Brian C. Sales

2010 ◽  
Vol 24 (26) ◽  
pp. 2601-2624 ◽  
Author(s):  
P. FULDE

An overview is given of a number of pair-breaking interactions in superconductors. They have in common that they violate a symmetry of the pair state. In most cases pairs are formed from time reversed single-particle states, a noticeable exception being antiferromagnetic superconductors. When time reversibility is broken by an interaction acting on the electrons, the time evolution of the time-reversal operator plays an important role. Depending on whether it is nonergodic or ergodic, we deal with pair weakening or pair breaking. Numerous different interactions are analyzed and discussed. Unifying features of different pair-breaking cases are pointed out. Special attention is paid to the Zeeman effect and to scattering centers with low-energy excitations. The Kondo effect and crystalline field split rare-earth ions belong in that category. Modifications caused by strongly anisotropic pair states are pointed out. There is strong evidence that in some cases intra-atomic excitations lead to pair formation rather than pair breaking for which an explanation is provided.


1971 ◽  
Vol 32 (C1) ◽  
pp. C1-221-C1-223
Author(s):  
P. J. FORD ◽  
C. RIZZUTO ◽  
E. SALAMONI ◽  
P. ZANI

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