scholarly journals Theory of a higher-order phase transition: The superconducting transition inBa0.6K0.4BiO3

2003 ◽  
Vol 68 (6) ◽  
Author(s):  
Pradeep Kumar
2020 ◽  
Vol 2020 (5) ◽  
Author(s):  
J. Ambjørn ◽  
G. Czelusta ◽  
J. Gizbert-Studnicki ◽  
A. Görlich ◽  
J. Jurkiewicz ◽  
...  

1997 ◽  
Vol 101 (36) ◽  
pp. 7158-7162 ◽  
Author(s):  
Takeshi Morita ◽  
Keiko Nishikawa ◽  
Masakazu Takematsu ◽  
Hanae Iida ◽  
Seiya Furutaka

1988 ◽  
Vol 02 (05) ◽  
pp. 1171-1183 ◽  
Author(s):  
K. Fossheim ◽  
O. M. Nes ◽  
T. Lægreid ◽  
C. N. W Darlington ◽  
D. A. O'Connor ◽  
...  

The specific heat, C p , has been measured with high precision in a mono-crystal of YBa 2 Cu 3 O 7−δ (YBCO) superconductor in the temperature range 55K-300K. The measurements provide data with a relative resolution Δ C p / C p of approximately 5 · 10−4. The main conclusions are: 1) Close to the superconducting transition the specific heat shows influence of fluctuations. 2) A reversible second order or weakly first order phase transition is found to occur at T o = 229 K .


2012 ◽  
Vol 472 (1) ◽  
pp. 1-4
Author(s):  
C.E. Ekuma ◽  
G.C. Asomba ◽  
C.M.I. Okoye

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