van hove scenario
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2013 ◽  
Vol 113 (17) ◽  
pp. 17E155 ◽  
Author(s):  
K. Ramesh Kumar ◽  
Venkatrao Chunchu ◽  
A. Thamizhavel

2012 ◽  
Vol 25 (3) ◽  
pp. 657-667 ◽  
Author(s):  
Julien Bok ◽  
Jacqueline Bouvier
Keyword(s):  

2010 ◽  
Vol 24 (23) ◽  
pp. 2395-2401 ◽  
Author(s):  
A. BECHLAGHEM ◽  
D. BOURBIE

The superconducting gap ratio R = 2Δ(0)/kBTc has been studied in the context when the Fermi level is close to the van Hove singularity. In this approach, we consider the interaction is related to the phonons at low temperature but at high temperature, it is relevant to the magnetic excitations. Our results show that the superconducting gap ratio R takes large values in qualitative agreement with experimental data.


2007 ◽  
Vol 460-462 ◽  
pp. 1010-1012 ◽  
Author(s):  
Julien Bok ◽  
Jacqueline Bouvier

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