scholarly journals Renormalization group approach to the normal state of copper-oxide superconductors

1997 ◽  
Vol 485 (3) ◽  
pp. 694-724 ◽  
Author(s):  
J. González ◽  
F. Guinea ◽  
M.A.H. Vozmediano
Nature ◽  
1991 ◽  
Vol 350 (6319) ◽  
pp. 596-598 ◽  
Author(s):  
T. Ito ◽  
H. Takagi ◽  
S. Ishibashi ◽  
T. Ido ◽  
S. Uchida

Cryogenics ◽  
1997 ◽  
Vol 37 (10) ◽  
pp. 559-562
Author(s):  
A. Díaz ◽  
J. Mosqueira ◽  
J.A. Veira ◽  
J. Maza ◽  
F. Vidal

1987 ◽  
Vol 99 ◽  
Author(s):  
C. E. Violet ◽  
T. Datta ◽  
H. M. Ledbetter ◽  
C. Almasan ◽  
J. Estrada

ABSTRACTOn the basis of our reentrant-softening model, sound-velocity results in La1.85Sr0.15CuO4 and YBa2Cu3O7−x are shown to be neither dissimilar nor inconsistent with thermodynamic requirements. In both materials, as temperature decreases, the lattice softens just above Tc. Below Tc, this softening is offset by increased stiffness associated with the developing superconducting phase. This model agrees with results from other physical-property measurements, and it predicts that elastic stiffness is higher in the normal state than in the superconducting state.


1991 ◽  
Vol 185-189 ◽  
pp. 1697-1698
Author(s):  
Hiroshi Kamimura ◽  
Tatsuo Schimizu ◽  
Hideki Ushio

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